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Old 04-21-2003, 05:30 AM
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Post Tune Up. Check Engine Light

My check engine light came on the other day. Had it checked out and they said that the light comes on around 60-70 for my 97 Dodge Avenger when it needs a tune up. So here goes. I took a look at the plugs on her and three of the six are burried under what looks like some sort of intake. I am heading to the shop today to pick up the repair manual to see what the process is but thought someone on the BBS might have some ideas. Next question. What should I be doing for the tune up that may not be in the maintenance section of the manual? Maybe some tips if there are any out there. And lastly. The check engine light. If I do the tune up how can I insure that the light will turn off? How does it know it needs a tune up? Is there something I need to reset? Thanks in advance guys/gals. Everyone on this board has always been a great help.

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Old 04-21-2003, 05:37 AM
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Yes, you can replace the plugs, wires ,cap rotor and filters. The check engine light can be reset by jumping across two pins in the code harness. It will be somewhat hard to tell you how to do that over the site. The light will not go out on it`s own.Sorry i`m not more help to you. Perhaps the gang can jump in with better advice.
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Old 04-21-2003, 04:24 PM
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The light is a way that Chrysler found to get people to bring their vehicles in for service. The earlier ones had a light for the EGR valve. You had to have a scanner to turn the light off. In 1994/95 it would cost you $65.00 to have the light turned off at the dealer. Plus the cost of replacing the EGR valve. There were alot of people driving around with a piece of electrical tape over the light. I wouldn't jump any of the connectors unless you know for sure what you are doing. Those computers are expensive!

[ April 21, 2003: Message edited by: adtkart ]</p>
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Old 04-26-2003, 09:19 PM
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My cousin's Dodge truck had a perpetual check engine light problem in 96.They never could figure out the problem and the light is still on.
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