Question about Cars & Trucks
Misfiring can also be from low fuel pressure and faulty injectors and not electrical alone. Run fault codes instead of guessing and costing money and have a fuel pressure test done on the fuel manifold to check for faulty pump-fuel pressure regulator and filters
Posted on Feb 15, 2014
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Posted on Jan 02, 2017
SOURCE: car idles rough and stalls
Have you checked the EGR valve? it may be leaking, touch it with a wet finger at idle, if it is leaking it will be very hot, the useual cause is either carbon or back pressure transducer problem, another issue may be fuel pressure, have you tested the pressure yet?
Posted on Sep 04, 2008
SOURCE: I have a 1999 oldsmobile
fuel pressure regulator on the fuel rail is probably it or the egr valve is stuck open allowing burnt fuel to flood the intake, im leaning towards the fuel pressure regulator because the o2sensor is probably reading rich or if its reading lean then i would choose the egr valve . good luck
Posted on Aug 26, 2008
I would say replace ignition coil, that might me the problem, otherwise it can be the ecu, which might have some electrical problems not allowing the car to stay running. Good luck.
Posted on Dec 29, 2009
SOURCE: Mass Air Flow Sensor
If you clear the codes and the MAF code is generated again, AND the connector is OK to the MAF, then replace the MAF. Also, be sure your air filter is ok and the air horn (air flow tubing) from the air filter housing to the throttle body is securely connected and has no cracks in the rubber. If ok, replace the MAF sensor.
Posted on Mar 07, 2010
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