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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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No power at fuel pump 2003 chevy s10 4.3l engine, replaced

Customer Question

no power at fuel pump 2003 chevy s10 4.3l engine, replaced with new fuel pump, relay good, replaced ecm
JA: How many miles are on the car? Has the car been starting normally?
Customer: 100000, yes
JA: Tell me a bit more about what's going on so he can help you best.
Customer: pu statred went to store about 3 miles, came out to go home, pu wouldn't start, let it sit a few minutes then it started. 2 days later same thing, but this time pu would not start, engine just spin. Checked fuel pump pressure it reads 0, ordered new fuel pump, still reads 0 and no power getting to fuel pump, replaced ECM with known working ECM, still no power to fuel pump
JA: Are you hoping to fix this yourself?
Customer: yes
JA: Great! What have you tried so far?
Customer: checked all relays and fuses, all are good, replaced ECM, and fuel pump,checked ground wires, now I am at stumped as what the problem might be.
JA: Is there anything else the Chevy Mechanic should be aware of about your Chevy?
Customer: the abs system is not working
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Chevy
Expert:  Gary replied 1 year ago.
do you have a multi meter on hand ?
Expert:  Gary replied 1 year ago.
a test light ?