Question about Cars & Trucks
- we check the gas pressure and its okay - we check the catalytic converter its okay - air filter is new
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Posted on Jan 02, 2017
Check for fuel pressure when starting. Fuel pumps have a check valve in them that keep fuel in the rail at the injectors. If the check valve fails, the pump has to pump fuel all of the way up to the engine. Same thing with hot no-restarts. Fuel pump.
Posted on Sep 09, 2008
Might want to look for vacuum leaks. Most misfires that go away with gas are caused by manifold vacuum leaks. The cat code can also be caused by the vac leak. There are different methods to find them and not real easy-but one way is to get a can of carb cleaner spray and spritz around intake areas. When the carb cleaner finds the leak--the car will run good for just and instant. Could be a rubber line or a manifold gasket. Hope it helped. Thanks
Posted on Apr 06, 2009
i had the same thing, i had it tested at auto zone and they said it was the obd2. i was told the o2 sensor was not a big deal so i reset the check engine light by holding down the trip meter button while starting her up and it has not been on since.
Posted on Jun 23, 2009
Clean/Inspect Intake, MAF sensor, IAC valve for proper operation. Also check for vacuum leaks within the air intake hose and intake components. Hopefully this helps
Posted on Jul 20, 2009
Replace the Fuel Pump. I had the same problem and i did everything you did to find out that it was the fuel pump. I removed the tank and repaced the fuel pump and bingo! No more problems the car runs like new
Posted on Oct 26, 2009
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