Hot Rod Forum : Hotrodders Bulletin Board

Hot Rod Forum : Hotrodders Bulletin Board (http://www.hotrodders.com/forum/)
-   Engine (http://www.hotrodders.com/forum/engine/)
-   -   Pinging on 03 Chevy 5.3 Engine in Suburban (http://www.hotrodders.com/forum/pinging-03-chevy-5-3-engine-suburban-162153.html)

bry21317 07-23-2009 09:33 AM

Pinging on 03 Chevy 5.3 Engine in Suburban
 
I have had some pinging noise in my Suburban for some time. I have tried everything to get rid of this. Does anyone have any other ideas? The engine is in a 03 Suburban LT 4x4 thats all stock, but K+N Drop in Air Filter and Denso Iridium Spark Plugs. The truck has about 102k on the Odometer.

Here is what It does. It will not ping when its cool/cold outside. It will only do it when it is very humid or above 80 and humid. If its hot, say mid 90s and very humid as it is this time of year, its pretty bad. I can hear the pinging when I touch the pedal at around 2k rpms. Right on that initial press of the pedal it will make a slight ping. Then if I wind the Engine out, to around 5k, it will reall start to get a pinging. If I am towing my boat, and its under a heavy load, sometimes it will it around 3-4k rpms.

Here is what I have done so far.

1) Cleaned the Throttle Body
2) Ran no telling how many cans of Sea Foam, Decarbonizer through the Tank, even tried Spraying in GMS Top End clenar through the Throttle Body and also Deep Creep.
3) Changed out the Before Cat O2 Sensors
4) Make sure that the Mass air Flow sensor was clean and airfilter

Also noticed that I see this quite a bit when Pulling out of my office into traffic, you have to get on it to get out of the building on the main road. When the Temp Guage is not yet up to 200-210 right below center of the 210, then it will not ping. Just thought I would add this to see if this has anything to do with it.

Does anyone have any ideas? The truck runs awesome, just has this pinging sound. The gas Mileage is down around 3 mpg around city, just so you know from when I got it 2 yrs ago.

Bryan

T-bucket23 07-23-2009 12:27 PM

Hook it up to a scanner and see what altitude it thinks it is at. The K&N may have wiped out your MAF. Do your self a favor and but the original stock brand plugs in and throw the K&N away and just put in a quality filter. If it is the MAF you may be able to clean it.

bry21317 07-23-2009 02:01 PM

I do know about the oil from the K+N on the MAF sensor, this is why I make sure not to use to much oil on the K+N. I also make sure that the MAF is clean with the CRC cleaner for MAF sensors.

The stock plugs made it do the same thing. Only thing I have not done is change the Fuel filter. It seems stuck, as I took it to a shop also to have them do it and they could not get the quick connects to come undone on it either, so I guess it will have to actually go to the dealer.


I have one of the scanners, that will read the Data in real time also, I will try to get that and then I can post the data from that on here, when the timing is changing what RPMS/MPH all that information for every sensor in the car.

Bryan

bry21317 07-28-2009 12:12 PM

No one has any other ideas on this?

Thanks,
Bryan

tnsmith10 07-28-2009 03:00 PM

faulty knock sensor???

carsavvycook 07-28-2009 11:32 PM

I just saw this thread.

Since you have been able to change the fuel filter, get it changed as quick as possible. It may not have ever been changed.

Now answer this question. How long is your 'cranking' time to start?

T-bucket23 07-29-2009 08:51 AM

Quote:

Originally Posted by bry21317
No one has any other ideas on this?

Thanks,
Bryan

Did you ever get it scanned to see what altitude it thought it was at.
It would also be interesting to see what the STFT and LTFT numbers are. If you can drive it with the scanner connected it would also be interesting to se if the ECM is attempting to retard the timing at all.
As someone else mentioned it could be as simple as a knock sensor not working.

carsavvycook 07-29-2009 09:12 AM

Hey Chet
With the decrease in fuel mileage, I am thinking of a ruptured fuel pressure regulator diaphram, a long crank time will verify this.

T-bucket23 07-29-2009 06:34 PM

Quote:

Originally Posted by carsavvycook
Hey Chet
With the decrease in fuel mileage, I am thinking of a ruptured fuel pressure regulator diaphram, a long crank time will verify this.

Yup, I agree. We had a rash of cars with altitude sensing issues a little while back and the main symptom was pinging.

carsavvycook 07-29-2009 09:10 PM

Quote:

Originally Posted by T-bucket23
Yup, I agree. We had a rash of cars with altitude sensing issues a little while back and the main symptom was pinging.

I also saw a rash of aftermarket MAP sensors on GM throttle body equipped vehicles. The factory vacuum port is a ported source, and the aftermarket replacements required a manifold vacuum source.

The biggest complaint was for pinging.

I just haven't seen many throttle body equipped vehicles the last 4 years, and I have only one customer that still has one.

bry21317 07-30-2009 08:28 AM

Ok Guys. Sorry about this.

I am not sure if this information will tell you the altitude or not. I am located in Raleigh, NC and we are located at 434 Feet above Sea Level, by Google. As to what the car is set to, I do not know. I have the Acront Elite Autoscanner CP9185.

As to how long it takes to start the car, its only a turn of the key, starts right up. no problems there ever. I would say max 1.5 seconds.

Here is the Information, for the 29 Frames it Recorded on the way into to work today, it only does it for about 30 secs, and this was normal driving. I tried to make it ping, as it normally will do it around 2000k, when in the throttle, but I was not able to make it happen. So not sure if this will work good or not. Also ambient air temp was 84 and low humidity. This afternoon it will be around 90 and very humid. So it should do it then for sure.

I know this data is very long, but if you wish I can put it into a .txt file, so the post is not near as long. Tell me if there are any other specific items you want me to look at on the scanner, as I do not think its recording all of them on here, when its connected to the computer.

Thanks,
Bryan

Quote:


Playback Data

MIL STATUS Off
ABSLT TPS(%) 10.6
ENGINE SPD(RPM) 604
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.9
COOLANT(F) 199
IAT(F) 91
IGN ADV(DEG) 17.0
ST FTRM1(%) -1.6
LT FTRM1(%) -0.8
ST FTRM2(%) -1.6
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.100
ST FTRM11(%) -0.8
O2S12(V) 0.645
O2S21(V) 0.175
ST FTRM21(%) 0.0
O2S22(V) 0.525
PTO STATUS Disen
OBD2 STAT CA
FRAME: -5 TM: -15.9

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 603
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.9
COOLANT(F) 199
IAT(F) 91
IGN ADV(DEG) 17.0
ST FTRM1(%) -0.8
LT FTRM1(%) -0.8
ST FTRM2(%) 0.0
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.700
ST FTRM11(%) -1.6
O2S12(V) 0.710
O2S21(V) 0.795
ST FTRM21(%) -2.3
O2S22(V) 0.655
PTO STATUS Disen
OBD2 STAT CA
FRAME: -4 TM: -12.7

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 602
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.9
COOLANT(F) 201
IAT(F) 91
IGN ADV(DEG) 17.0
ST FTRM1(%) 0.0
LT FTRM1(%) -0.8
ST FTRM2(%) 0.0
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.650
ST FTRM11(%) -1.6
O2S12(V) 0.730
O2S21(V) 0.805
ST FTRM21(%) -0.8
O2S22(V) 0.640
PTO STATUS Disen
OBD2 STAT CA
FRAME: -3 TM: -9.5

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 612
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.9
COOLANT(F) 201
IAT(F) 91
IGN ADV(DEG) 15.0
ST FTRM1(%) 1.6
LT FTRM1(%) -0.8
ST FTRM2(%) 2.3
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.075
ST FTRM11(%) 2.3
O2S12(V) 0.510
O2S21(V) 0.735
ST FTRM21(%) 2.3
O2S22(V) 0.425
PTO STATUS Disen
OBD2 STAT CA
FRAME: -2 TM: -6.3

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 600
CALC LOAD(%) 3.1
MAF(LB/M) 1.09
MAP("HG) 13.6
COOLANT(F) 201
IAT(F) 91
IGN ADV(DEG) 17.0
ST FTRM1(%) 0.0
LT FTRM1(%) -0.8
ST FTRM2(%) 0.0
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.185
ST FTRM11(%) 0.8
O2S12(V) 0.725
O2S21(V) 0.805
ST FTRM21(%) 0.0
O2S22(V) 0.700
PTO STATUS Disen
OBD2 STAT CA
FRAME: -1 TM: -3.2

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 608
CALC LOAD(%) 3.1
MAF(LB/M) 1.09
MAP("HG) 13.9
COOLANT(F) 201
IAT(F) 91
IGN ADV(DEG) 16.5
ST FTRM1(%) -0.8
LT FTRM1(%) -0.8
ST FTRM2(%) 0.0
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.805
ST FTRM11(%) -0.8
O2S12(V) 0.795
O2S21(V) 0.665
ST FTRM21(%) -0.8
O2S22(V) 0.750
PTO STATUS Disen
OBD2 STAT CA
FRAME: 0 TM: 0.0

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 604
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.9
COOLANT(F) 201
IAT(F) 93
IGN ADV(DEG) 17.5
ST FTRM1(%) 0.0
LT FTRM1(%) -0.8
ST FTRM2(%) -1.6
LT FTRM2(%) 2.3
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.845
ST FTRM11(%) -4.7
O2S12(V) 0.835
O2S21(V) 0.670
ST FTRM21(%) 1.6
O2S22(V) 0.105
PTO STATUS Disen
OBD2 STAT CA
FRAME: 1 TM: 3.4

MIL STATUS Off
ABSLT TPS(%) 65.9
ENGINE SPD(RPM)2043
CALC LOAD(%) 31.4
MAF(LB/M) 10.70
MAP("HG) 29.2
COOLANT(F) 201
IAT(F) 93
IGN ADV(DEG) 24.5
ST FTRM1(%) 0.0
LT FTRM1(%) 0.0
ST FTRM2(%) 0.0
LT FTRM2(%) 0.0
VEH SPEED(MPH) 22
FUEL SYS1 OPEN1
FUEL SYS2 OPEN1
O2S11(V) 0.890
ST FTRM11(%) 0.0
O2S12(V) 0.900
O2S21(V) 0.915
ST FTRM21(%) 0.0
O2S22(V) 0.880
PTO STATUS Disen
OBD2 STAT CA
FRAME: 2 TM: 6.6

MIL STATUS Off
ABSLT TPS(%) 85.1
ENGINE SPD(RPM)4485
CALC LOAD(%) 80.0
MAF(LB/M) 27.42
MAP("HG) 28.3
COOLANT(F) 201
IAT(F) 93
IGN ADV(DEG) 28.5
ST FTRM1(%) -6.3
LT FTRM1(%) 0.0
ST FTRM2(%) -8.6
LT FTRM2(%) 0.0
VEH SPEED(MPH) 41
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.075
ST FTRM11(%) -1.6
O2S12(V) 0.205
O2S21(V) 0.165
ST FTRM21(%) -7.0
O2S22(V) 0.415
PTO STATUS Disen
OBD2 STAT CA
FRAME: 3 TM: 9.8

MIL STATUS Off
ABSLT TPS(%) 26.7
ENGINE SPD(RPM)1895
CALC LOAD(%) 15.3
MAF(LB/M) 5.14
MAP("HG) 17.1
COOLANT(F) 199
IAT(F) 95
IGN ADV(DEG) 29.0
ST FTRM1(%) 1.6
LT FTRM1(%) -0.8
ST FTRM2(%) -1.6
LT FTRM2(%) 0.0
VEH SPEED(MPH) 42
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.745
ST FTRM11(%) -0.8
O2S12(V) 0.820
O2S21(V) 0.285
ST FTRM21(%) 3.9
O2S22(V) 0.850
PTO STATUS Disen
OBD2 STAT CA
FRAME: 4 TM: 13.0

MIL STATUS Off
ABSLT TPS(%) 23.5
ENGINE SPD(RPM)1873
CALC LOAD(%) 39.2
MAF(LB/M) 10.22
MAP("HG) 24.8
COOLANT(F) 199
IAT(F) 95
IGN ADV(DEG) 38.0
ST FTRM1(%) 2.3
LT FTRM1(%) -1.6
ST FTRM2(%) 3.9
LT FTRM2(%) 0.0
VEH SPEED(MPH) 43
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.815
ST FTRM11(%) 0.8
O2S12(V) 0.515
O2S21(V) 0.125
ST FTRM21(%) 6.3
O2S22(V) 0.480
PTO STATUS Disen
OBD2 STAT CA
FRAME: 5 TM: 16.2

MIL STATUS Off
ABSLT TPS(%) 24.7
ENGINE SPD(RPM)1942
CALC LOAD(%) 8.2
MAF(LB/M) 2.55
MAP("HG) 10.3
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 46.5
ST FTRM1(%) -1.6
LT FTRM1(%) -2.3
ST FTRM2(%) -3.1
LT FTRM2(%) -0.8
VEH SPEED(MPH) 45
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.770
ST FTRM11(%) -3.1
O2S12(V) 0.805
O2S21(V) 0.430
ST FTRM21(%) 1.6
O2S22(V) 0.735
PTO STATUS Disen
OBD2 STAT CA
FRAME: 6 TM: 19.4

MIL STATUS Off
ABSLT TPS(%) 19.2
ENGINE SPD(RPM)1798
CALC LOAD(%) 9.4
MAF(LB/M) 3.14
MAP("HG) 10.9
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 38.5
ST FTRM1(%) -2.3
LT FTRM1(%) -1.6
ST FTRM2(%) 2.3
LT FTRM2(%) -0.8
VEH SPEED(MPH) 45
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.075
ST FTRM11(%) 0.8
O2S12(V) 0.250
O2S21(V) 0.130
ST FTRM21(%) 4.7
O2S22(V) 0.645
PTO STATUS Disen
OBD2 STAT CA
FRAME: 7 TM: 22.6

MIL STATUS Off
ABSLT TPS(%) 25.1
ENGINE SPD(RPM)1997
CALC LOAD(%) 14.1
MAF(LB/M) 4.68
MAP("HG) 14.8
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 39.5
ST FTRM1(%) 0.0
LT FTRM1(%) -1.6
ST FTRM2(%) -0.8
LT FTRM2(%) -0.8
VEH SPEED(MPH) 47
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.155
ST FTRM11(%) 2.3
O2S12(V) 0.690
O2S21(V) 0.840
ST FTRM21(%) -2.3
O2S22(V) 0.800
PTO STATUS Disen
OBD2 STAT CA
FRAME: 8 TM: 25.7

MIL STATUS Off
ABSLT TPS(%) 23.5
ENGINE SPD(RPM)1471
CALC LOAD(%) 12.2
MAF(LB/M) 4.10
MAP("HG) 17.1
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 30.5
ST FTRM1(%) 3.1
LT FTRM1(%) -0.8
ST FTRM2(%) 1.6
LT FTRM2(%) 0.0
VEH SPEED(MPH) 48
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.735
ST FTRM11(%) 0.0
O2S12(V) 0.785
O2S21(V) 0.795
ST FTRM21(%) -3.1
O2S22(V) 0.760
PTO STATUS Disen
OBD2 STAT CA
FRAME: 9 TM: 28.9

MIL STATUS Off
ABSLT TPS(%) 22.4
ENGINE SPD(RPM)1458
CALC LOAD(%) 11.4
MAF(LB/M) 3.73
MAP("HG) 15.9
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 33.0
ST FTRM1(%) -0.8
LT FTRM1(%) -1.6
ST FTRM2(%) 3.1
LT FTRM2(%) -0.8
VEH SPEED(MPH) 48
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.805
ST FTRM11(%) -0.8
O2S12(V) 0.800
O2S21(V) 0.820
ST FTRM21(%) -1.6
O2S22(V) 0.775
PTO STATUS Disen
OBD2 STAT CA
FRAME: 10 TM: 32.1

MIL STATUS Off
ABSLT TPS(%) 17.6
ENGINE SPD(RPM)1438
CALC LOAD(%) 6.7
MAF(LB/M) 2.05
MAP("HG) 10.3
COOLANT(F) 199
IAT(F) 93
IGN ADV(DEG) 35.0
ST FTRM1(%) 3.1
LT FTRM1(%) -2.3
ST FTRM2(%) -1.6
LT FTRM2(%) -0.8
VEH SPEED(MPH) 47
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.755
ST FTRM11(%) -3.1
O2S12(V) 0.735
O2S21(V) 0.805
ST FTRM21(%) -0.8
O2S22(V) 0.705
PTO STATUS Disen
OBD2 STAT CA
FRAME: 11 TM: 35.3

MIL STATUS Off
ABSLT TPS(%) 14.5
ENGINE SPD(RPM)1361
CALC LOAD(%) 4.7
MAF(LB/M) 1.64
MAP("HG) 8.9
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 34.5
ST FTRM1(%) 0.0
LT FTRM1(%) -2.3
ST FTRM2(%) -0.8
LT FTRM2(%) -0.8
VEH SPEED(MPH) 46
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.770
ST FTRM11(%) 4.7
O2S12(V) 0.790
O2S21(V) 0.245
ST FTRM21(%) 4.7
O2S22(V) 0.735
PTO STATUS Disen
OBD2 STAT CA
FRAME: 12 TM: 38.5

MIL STATUS Off
ABSLT TPS(%) 14.1
ENGINE SPD(RPM)1338
CALC LOAD(%) 4.7
MAF(LB/M) 1.69
MAP("HG) 9.2
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 33.0
ST FTRM1(%) 1.6
LT FTRM1(%) -2.3
ST FTRM2(%) 3.9
LT FTRM2(%) -0.8
VEH SPEED(MPH) 45
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.715
ST FTRM11(%) -2.3
O2S12(V) 0.750
O2S21(V) 0.815
ST FTRM21(%) -1.6
O2S22(V) 0.735
PTO STATUS Disen
OBD2 STAT CA
FRAME: 13 TM: 41.7

MIL STATUS Off
ABSLT TPS(%) 14.9
ENGINE SPD(RPM)1316
CALC LOAD(%) 5.1
MAF(LB/M) 1.76
MAP("HG) 9.4
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 38.5
ST FTRM1(%) 4.7
LT FTRM1(%) -1.6
ST FTRM2(%) -1.6
LT FTRM2(%) -0.8
VEH SPEED(MPH) 44
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.765
ST FTRM11(%) -2.3
O2S12(V) 0.775
O2S21(V) 0.315
ST FTRM21(%) 4.7
O2S22(V) 0.730
PTO STATUS Disen
OBD2 STAT CA
FRAME: 14 TM: 44.9

MIL STATUS Off
ABSLT TPS(%) 15.7
ENGINE SPD(RPM)1299
CALC LOAD(%) 6.3
MAF(LB/M) 2.08
MAP("HG) 10.9
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 38.5
ST FTRM1(%) 3.9
LT FTRM1(%) -2.3
ST FTRM2(%) 7.0
LT FTRM2(%) -1.6
VEH SPEED(MPH) 43
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.755
ST FTRM11(%) 0.0
O2S12(V) 0.370
O2S21(V) 0.805
ST FTRM21(%) 0.0
O2S22(V) 0.690
PTO STATUS Disen
OBD2 STAT CA
FRAME: 15 TM: 48.1

MIL STATUS Off
ABSLT TPS(%) 13.7
ENGINE SPD(RPM)1271
CALC LOAD(%) 4.7
MAF(LB/M) 1.61
MAP("HG) 9.2
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 36.5
ST FTRM1(%) 5.5
LT FTRM1(%) -2.3
ST FTRM2(%) 0.8
LT FTRM2(%) -0.8
VEH SPEED(MPH) 42
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.125
ST FTRM11(%) 6.3
O2S12(V) 0.810
O2S21(V) 0.790
ST FTRM21(%) -3.1
O2S22(V) 0.710
PTO STATUS Disen
OBD2 STAT CA
FRAME: 16 TM: 51.3

MIL STATUS Off
ABSLT TPS(%) 21.2
ENGINE SPD(RPM)1267
CALC LOAD(%) 11.0
MAF(LB/M) 3.52
MAP("HG) 16.5
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 30.5
ST FTRM1(%) 3.9
LT FTRM1(%) -2.3
ST FTRM2(%) -0.8
LT FTRM2(%) -0.8
VEH SPEED(MPH) 43
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.760
ST FTRM11(%) 5.5
O2S12(V) 0.700
O2S21(V) 0.125
ST FTRM21(%) 6.3
O2S22(V) 0.700
PTO STATUS Disen
OBD2 STAT CA
FRAME: 17 TM: 54.5

MIL STATUS Off
ABSLT TPS(%) 19.6
ENGINE SPD(RPM)1310
CALC LOAD(%) 8.2
MAF(LB/M) 2.68
MAP("HG) 13.9
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 32.5
ST FTRM1(%) 0.0
LT FTRM1(%) -2.3
ST FTRM2(%) -1.6
LT FTRM2(%) -0.8
VEH SPEED(MPH) 42
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.375
ST FTRM11(%) 3.9
O2S12(V) 0.730
O2S21(V) 0.175
ST FTRM21(%) -1.6
O2S22(V) 0.745
PTO STATUS Disen
OBD2 STAT CA
FRAME: 18 TM: 57.7

MIL STATUS Off
ABSLT TPS(%) 15.3
ENGINE SPD(RPM)1248
CALC LOAD(%) 5.5
MAF(LB/M) 1.73
MAP("HG) 10.3
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 28.0
ST FTRM1(%) 6.3
LT FTRM1(%) -2.3
ST FTRM2(%) 9.4
LT FTRM2(%) -0.8
VEH SPEED(MPH) 40
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.375
ST FTRM11(%) 1.6
O2S12(V) 0.275
O2S21(V) 0.265
ST FTRM21(%) 7.8
O2S22(V) 0.625
PTO STATUS Disen
OBD2 STAT CA
FRAME: 19 TM: 60.9

MIL STATUS Off
ABSLT TPS(%) 13.3
ENGINE SPD(RPM)1159
CALC LOAD(%) 4.7
MAF(LB/M) 1.55
MAP("HG) 9.7
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 25.5
ST FTRM1(%) 5.5
LT FTRM1(%) -2.3
ST FTRM2(%) -0.8
LT FTRM2(%) 0.0
VEH SPEED(MPH) 35
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.085
ST FTRM11(%) 4.7
O2S12(V) 0.770
O2S21(V) 0.600
ST FTRM21(%) 4.7
O2S22(V) 0.760
PTO STATUS Disen
OBD2 STAT CA
FRAME: 20

MIL STATUS Off
ABSLT TPS(%) 12.5
ENGINE SPD(RPM) 850
CALC LOAD(%) 3.9
MAF(LB/M) 1.36
MAP("HG) 11.8
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 18.0
ST FTRM1(%) -6.3
LT FTRM1(%) -0.8
ST FTRM2(%) -6.3
LT FTRM2(%) 2.3
VEH SPEED(MPH) 20
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.810
ST FTRM11(%) -5.5
O2S12(V) 0.805
O2S21(V) 0.705
ST FTRM21(%) -0.8
O2S22(V) 0.750
PTO STATUS Disen
OBD2 STAT CA
FRAME: 21 TM: 67.3

MIL STATUS Off
ABSLT TPS(%) 12.9
ENGINE SPD(RPM) 783
CALC LOAD(%) 3.9
MAF(LB/M) 1.38
MAP("HG) 13.0
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 18.0
ST FTRM1(%) -7.0
LT FTRM1(%) -2.3
ST FTRM2(%) -7.8
LT FTRM2(%) 0.0
VEH SPEED(MPH) 6
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.775
ST FTRM11(%) -0.8
O2S12(V) 0.735
O2S21(V) 0.125
ST FTRM21(%) 0.8
O2S22(V) 0.685
PTO STATUS Disen
OBD2 STAT CA
FRAME: 22 TM: 70.5

MIL STATUS Off
ABSLT TPS(%) 10.2
ENGINE SPD(RPM) 604
CALC LOAD(%) 3.1
MAF(LB/M) 1.10
MAP("HG) 13.6
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 16.5
ST FTRM1(%) -3.1
LT FTRM1(%) -0.8
ST FTRM2(%) -1.6
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.750
ST FTRM11(%) -2.3
O2S12(V) 0.785
O2S21(V) 0.160
ST FTRM21(%) 0.0
O2S22(V) 0.755
PTO STATUS Disen
OBD2 STAT CA
FRAME: 23 TM: 73.7

MIL STATUS Off
ABSLT TPS(%) 9.8
ENGINE SPD(RPM) 600
CALC LOAD(%) 3.1
MAF(LB/M) 1.07
MAP("HG) 13.6
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 17.5
ST FTRM1(%) -2.3
LT FTRM1(%) -0.8
ST FTRM2(%) -2.3
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.305
ST FTRM11(%) -0.8
O2S12(V) 0.790
O2S21(V) 0.175
ST FTRM21(%) -0.8
O2S22(V) 0.710
PTO STATUS Disen
OBD2 STAT CA
FRAME: 24 TM: 76.9

MIL STATUS Off
ABSLT TPS(%) 9.8
ENGINE SPD(RPM) 592
CALC LOAD(%) 3.1
MAF(LB/M) 1.08
MAP("HG) 13.6
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 18.0
ST FTRM1(%) -1.6
LT FTRM1(%) -0.8
ST FTRM2(%) -0.8
LT FTRM2(%) -0.8
VEH SPEED(MPH) 0
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.670
ST FTRM11(%) 0.0
O2S12(V) 0.790
O2S21(V) 0.795
ST FTRM21(%) -2.3
O2S22(V) 0.685
PTO STATUS Disen
OBD2 STAT CA
FRAME: 25 TM: 80.1

MIL STATUS Off
ABSLT TPS(%) 23.9
ENGINE SPD(RPM)1149
CALC LOAD(%) 12.2
MAF(LB/M) 4.15
MAP("HG) 20.4
COOLANT(F) 196
IAT(F) 93
IGN ADV(DEG) 25.0
ST FTRM1(%) -0.8
LT FTRM1(%) 0.0
ST FTRM2(%) 3.1
LT FTRM2(%) 2.3
VEH SPEED(MPH) 8
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.790
ST FTRM11(%) 3.1
O2S12(V) 0.505
O2S21(V) 0.130
ST FTRM21(%) -2.3
O2S22(V) 0.790
PTO STATUS Disen
OBD2 STAT CA
FRAME: 26 TM: 83.3

MIL STATUS Off
ABSLT TPS(%) 36.9
ENGINE SPD(RPM)2170
CALC LOAD(%) 32.2
MAF(LB/M) 12.24
MAP("HG) 27.8
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 28.0
ST FTRM1(%) 0.0
LT FTRM1(%) 0.0
ST FTRM2(%) 6.3
LT FTRM2(%) 0.0
VEH SPEED(MPH) 24
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.515
ST FTRM11(%) -0.8
O2S12(V) 0.835
O2S21(V) 0.885
ST FTRM21(%) -3.1
O2S22(V) 0.885
PTO STATUS Disen
OBD2 STAT CA
FRAME: 27 TM: 86.5

MIL STATUS Off
ABSLT TPS(%) 14.1
ENGINE SPD(RPM)1886
CALC LOAD(%) 4.7
MAF(LB/M) 1.53
MAP("HG) 6.8
COOLANT(F) 198
IAT(F) 93
IGN ADV(DEG) 39.5
ST FTRM1(%) 0.0
LT FTRM1(%) -3.9
ST FTRM2(%) 3.1
LT FTRM2(%) 0.0
VEH SPEED(MPH) 29
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.100
ST FTRM11(%) 7.0
O2S12(V) 0.165
O2S21(V) 0.805
ST FTRM21(%) -0.8
O2S22(V) 0.830
PTO STATUS Disen
OBD2 STAT CA
FRAME: 28 TM: 89.6

MIL STATUS Off
ABSLT TPS(%) 23.5
ENGINE SPD(RPM)1380
CALC LOAD(%) 11.8
MAF(LB/M) 3.91
MAP("HG) 18.0
COOLANT(F) 196
IAT(F) 95
IGN ADV(DEG) 29.0
ST FTRM1(%) 3.1
LT FTRM1(%) 0.0
ST FTRM2(%) -4.7
LT FTRM2(%) 2.3
VEH SPEED(MPH) 30
FUEL SYS1 CLSD
FUEL SYS2 CLSD
O2S11(V) 0.085
ST FTRM11(%) 2.3
O2S12(V) 0.765
O2S21(V) 0.175
ST FTRM21(%) 2.3
O2S22(V) 0.790
PTO ST

carsavvycook 07-30-2009 09:39 AM

What is your MAP (hg) reading, with the key on engine off? It should read 29.9 HG (sea level).

bry21317 07-30-2009 10:33 AM

Ill check it and post back in a little bit. About to run to lunch, so I will find out then.

bry21317 07-30-2009 11:02 AM

its reading 29.2-29.5 for map w engine off and key on

carsavvycook 07-30-2009 11:23 AM

I am at 565 feet above sea level. Most of the MAP HG's I've checked have been around 28.6 at idle. Within 30 miles I can be at 3200 feet. I use this drive to test the MAP sensor at a steady throttle. It should be down around 25.5 HG at this height.

I noticed that your MAP HG was down between 9 and 12.5 with your throttle open percentage around 10-12 %, and the engine RPM between 600 and 900.

It only increased to over 28 HG. When you were on the throttle.

ABSLT TPS(%) 65.9
ENGINE SPD(RPM)2043
CALC LOAD(%) 31.4
MAF(LB/M) 10.70
MAP("HG) 29.2

This makes me think it is hooked to a ported vacuum source, wired wrong, or out of range. 9 to 12 HG readings should be somewhere between 6000 to 8500 feet above sea level.


All times are GMT -6. The time now is 03:02 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.