Question about Cars & Trucks
One day my truck just randomly wouldnt start. When we finally did get it to start it quit going down the road several times... Plug wires and spark plugs were replaced.. Now when you're driving down the road it sputters and sometimes quits. Throttle position sensor has also been replaced and we knocked the junk out of the catalytic converter.
I would check three parts , i have seen a weak ignition coil make this happen, change fuel filter and last possibly either fuel pump or fuel pump regulator
Posted on Jan 13, 2013
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Posted on Jan 02, 2017
If you can get a fuel pressure gauge, check and see if the pressure is 16 to 24 lbs after the engine has warmed up.
I would connect the pressure gauge when the engine is cold, make sure it does not leak or touch anything hot, place the gauge between the hood and the windshield and drive the vehicle until it is at the temperature you feel it "starts hard". Shut the engine off and try to repeat the no start or hard start and make sure the pressure is correct.
Also, when you shut the engine off, watch the pressure and make sure it holds and does not drop to (0 LBS) of pressure.
One last question, has the fuel filter been changed in the past 30K.
Let me know.
Posted on May 08, 2009
Is the spark plug wet when you remove it, if not check fuel injector, also while you have spark plug out do a cylinder compression test.
Posted on Jan 11, 2010
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