Question about Dodge Neon
It runs a little rough so i put it in neutral and back to drive and the idle returns to normal. Its not every time i stop only 1/2 the times
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Posted on Jan 02, 2017
if it runs high when you first start it then mellows out,, theirs no problem , all of our chevys do that.... but if its sputtering or you hear a quiet popping noise check spark plugs
Posted on May 20, 2009
SOURCE: 98 GMC k2500 7.4L Rouch Idle
TRY THIS BEFORE U SPEND ANYMORE MONEY N PARTS.
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue 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 May 22, 2009
Because the car has adaptive technology, it may take a while to reset and adjust to the new, cleaner and better conditions than those to which it had previously adapted.
Did you change the cap and rotor? if the plugs needed replacement, likely they do too
Possible other causes include:
loose or corroded connections to any electrical component you disturbed (make a checklist and tick them all off as you check them);
mis-reinstallation of any F.I. part disturbed(checklist again)
obstructed water flow through the AIC valve;
improper voltage output from the AIC valve (for LH 2.4 systems, should output 8 volt at idle, dropping as load increases; for LH 2.4.2 system output 7 volt at idle etc; testing between terminals)33 and 17 at disconnected LH connector;
possible problem with MAF.
Hope this helps
Posted on May 30, 2009
It's possibly the TPS (Throttle Position Sensor). The TPS controls the throttle in different conditions i.e. cold,warm, AC operation. It could be the TPS isn't idling fast enough when you operate the AC.
Posted on Jun 30, 2009
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