Question about 1994 Plymouth Grand Voyager
Hello my name is george and i have a problem with my idle the last 3-4 days i check all the vacuums for leaks but all is good i know my egr is bad but i didnt have this problem before it came to my attetion i have a little leak from the exhaust who starts from the cylinder.
Try this procedure it will help wit the idle, don't know about the overdrive issue.
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on Mar 12, 2009
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