Question about 1994 Chevrolet S-10
While driving for about 1 to 2 1/2 hours the engine just cuts out no nose just stops. I can then put the vehicle in neutral or park and the engine starts back up. Some times I have to pump the gase pedel and try to start the truck untill the engine catches. Also the oil gauges keeps jumping depending on how much I press down the gas pedel
There is a sensor device, on the right side of the engine block near the front, for the oil pressure that has two parts to it. It is used to control the oil pressure guage on the dash as well as having a switch which has wiring going to the Electronic Control Module, and this ECM input has a software time-out safety feature. After the engine is started, if the indicated oil pressure goes too low or is lost, the voltage to the fuel pump is shut off. This is desired in the case of a crash. This event will cause the engine to quit. On my manual transmission vehicle the ECM will reset if the ignition is turned off for a couple of seconds. It sounds like this oil pressure (aka sending unit) sensor is not working properly, causing the fuel pump power to be removed.....(probably intermittently). About $20 and a few minutes to change if you can get your hands down in there.
Posted on Oct 22, 2008
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Posted on Jan 02, 2017
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