Testing is the way to a fix . Fuel pump pressure testing , electrical testing . Viewing engine sensor data on a scan tool . Instead of guessing as to the problem learn to test or take it to a qualified repair shop . Changing ECU without doing it correctly can cause problems that were not there before . PCM - engine computers need to be programmed , dealer only.
GM Fuel Pump Relay Testing
Testing Electric Fuel Pump Problems with Voltage Drop Test
048 Engine Hard to Start or No Start Scan Data for Starting Problems
SOURCE: venture van started running rough and barely starts
It sounds like you caught the fuel pump just in time. I would take it to you local mechanic to check it out.
SOURCE: replace intake maifold gasket on 1999 venture van
Hi,I just replaced mine.It is not that hard.just buy a manual on it at autozone,and it gives the specifications and step by step directions to dissassemble,and reassemble.I put in new plugs,thermostat,and flushed the motor for around $200.00.runs great!
SOURCE: no start. change fuel
Get the o2 sensor checked.The o2 sensor before and after catalytic converter.Also check the fuel pump relay in the engine compartment fuse box under hood.Try cleaning the sensor, then check.If its getting to much fuel.then it can be problem with o2 sensor.Or fuel pressure regulator.Regulator is checked ok, so get the o2 sensor checked and replaced.----------------
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