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Old 07-22-2012, 05:18 PM
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cseay1949 cseay1949 is offline
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Quote:
Originally Posted by Project89 View Post
does it happen to have the 3.5L motor?
me and my gf have a slightly older one with the 3.5 and at light cruise and heavy acceleration it pings very very bad.

ive tried everything going from cheap gas to mid/high grade , new plugs and wires , checked all vacum lines, no error codes/check engine light.

hell i even tried to seafoam it once, it got better but that only lasted about 3 days
Yes it has the 3.5 G-code High Output motor. If you have no vacuum leaks (have you checked your brake booster? mine leaks a little and I can hear it whistle on the pedal side inside the passenger compartment - it's on my to-do list but haven't gotten to it yet!) and your ignition is in good working order, the fact that the seafoam helped a little is a good indication you have a severe carbon problem. I would recommend taking it to a shop that carries BG products, and have them do the BG Induction Cleaning Service with the K2902 service kit. The kit comes with two cans of carbon buster, that they put in a pressure vessel and blow through your intake while the engine is running .. cleans the throttle body, back sides of the intake valves, and the combustion chambers. The kit also includes a can off 44K fuel system cleaner that gets dumped in the tank to continue the cleaning while you drive. We charge $139.95 for the service, and in my experience it is worth every penny.
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