Question about 2000 Chevrolet Blazer
Battery has been out for a while waiting for transmission fix.Checked all elec.connections, checked fuel pressure,OK,checked vacuum hoses, found one bad and replaced it,used starting fluid and it didn't make any difference.Replaced TPS
Probably accelerator sensor. Get the broken codes from Pep Boys enquiry. Usually free
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
When the ignition switch is turned on the pcm turns on the fuel pump by energizing the fuel pump relay. The PCM keeps the fuel pump on as long as the engine is cranking over or running.It does this by recieving pulses from the ignition module. If there are no referance pulses the PCM will turn the fuel pump relay off in 2 seconds with the ingnition on.
Most models also include a secondary control path through the oil presure switch witch will turn the fuel pump on after it detects oil presure.cranking time will be longer if the fuel pump doesn't recieve current until oil presure switch contact is closed.
Posted on Jan 28, 2010
89 chev cavalier 4 cyl auto 2.0 when going down road 50 mph slam on breaks car stalls start car put it in gear it stalls what is wrong it seems to do it when its hot only why
Posted on Apr 11, 2011
when u replaced the computer it tripped the anti-theft system because the code stored in the new computer no longer matched the ignition. when the anti theft system is triggered on a cavalier it allows the car to start
Posted on Mar 12, 2012
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