Question about 1997 Chevrolet Suburban

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My 1997 chevy keeps blowing fuses the mcm fuse also blew. my car won't start. It cranks but does not turn over before I would just change the fuse and it would start, but that does not work anymore. some say its the fuel pump some say its electrical, but it still isn't fixed. HELP!

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 1998 chevy lumina pcm ign fuse keeps blowing

Update: I took the car to a mechanic that specializes in auto electrics and he found that the wire that goes to the back oxygen sensor had chaffed through over the transmission and was shorting out and blowing the fuse. He repaired it and the car runs beautifully.

Posted on May 03, 2009

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Molson02536
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SOURCE: fuel pump fuse blows

Check the fuel pump relay, i am not sure but i think there are two of them. Check the wire harness too, mice may have chewed in to the wires causing a shot in the system. 
Good luck and hope this helps.

Posted on May 09, 2009

  • 2 Answers

SOURCE: 1987 chevy r10 won't start

Assuming it is a fuel problem I checked at the carb. to be sure no gas was being pumped through the filter located under the power steering pump then the fuse on my 87 s10 was the ECM fuse.then check for the relay to click and the had to replace the oil pressure sending unit and mine started right up..the oil pressure must be about 4 lbs for the Pump tp operate...I loosened the fuel line to ck. for fuel but thats living dangerously...a pressure guage would be on the safe side......

Posted on May 18, 2009

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SOURCE: 1997 Chevy Express 2500

I had a simular problem. I had bad plug/coil wires. The foil insulation from the engine cover would draw the voltage from the wires.

Posted on Jul 03, 2009

SOURCE: ECMB fuse keeps blowing on a 88 S15 pickup. I have

Un plug the Computer to see if the fuse doesnt blow now. You may have a short in the PCM or the harness.

Posted on Aug 31, 2009

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