Question about 2002 Chevrolet Venture
First have the computer scanned . Most part houses will do it for free. The miss fire codes will tell you where to look. It can identify which cylinders are miss firing or not firing at all. Identify the bad cylinders and pull the spark plugs and run a compression test on them to make sure they are ok. No compression means a problem like a burnt valve. Make sure that the firing order of the plugs are correct.
Posted on Aug 01, 2019
"trick" spark plugs are just that. You can only make one spark at a time so therefore regardless of the number of contacts, that's all you get...one spark. Put the right ones back in and make sure you have the right wires on the right plugs.Also make sure you didn't disconnect any vacuum hoses while you were working!
Posted on Oct 07, 2009
one of you air line pipes could have collapsed or split which will cause a problem with idling and performance and it will give no smoke signs
Posted on Feb 13, 2010
There are numerous things that can caise a vehicle to idle rough. Could be a throttle posistioning sensor. pcv valve, dirty fuel filter, worn spark plugs and wires, possible O2 sensor. If the vehicle has not had a tune up yet, I would recomend one. Even if it doesn't fix your issue, the vehicle is ten years old and probably needs on anyways. Start there, then rule out the cheaper stuff next. pcv valve and fuel filter, inexpensive and it's probably time anyways. If you are getting an engine code, stop in to advance auto. They'll plug it in for free. If your still having problems, you may have to break down and tajke it to a mechanic to get plugged into a real diagnostics machine.(probably run you around $100)
Posted on Feb 12, 2012
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