2002 gmc Sonoma crank no start

20

Asked by Dec 31, 2013 at 09:37 PM about the 2002 GMC Sonoma SLS 2WD

Question type: Maintenance & Repair

I replaced a leaky timing cover on my 2002 gmc Sonoma and it cranks but will not start. the engine has 5000 miles, it is a crate motor I put in last year, the crank shaft position sensor is new and so is the ign modual, the coil tested fine the cap and rotor are new and plugs and wires, 12 volts at the battery. and there is plenty of fuel psi. I checked all the plugs for spark and nothing, I have ran tests on the crank sensor, ign modual, coil, several times and all is fine. I have done all I know how and im at a dead end. please help.

5 Answers

228,125

I suspect the timing might be off.

2 out of 2 people think this is helpful.
20

I would still have spark in that case however no its not. Im just going to set it ablaze tonite Im done. Thank you though

1 out of 1 people think this is helpful.
325

I believe the crankshaft sensor goes in the side of the timing cover. did you replace this sensor after you did the timing cover? Is it possible you could have damaged the connector or wiring when you when you did the t. cover job?

20

It goes under the cover and there are no broken wires or damage. I did a test with my meter with ign on I turned crank shaft by hand and the meter showed on and off as I turned the shaft. Thank you anyway. Happy new year.

1 out of 1 people think this is helpful.
20

Thank you to those of you that replied. I was at it again this morning testing everything I had tested many times before and the last thing I tested was the crank shaft position sensor and like the many other times I checked it it was fine. So I picked everything up and thought what the heck lets crank it for the sake of it and BAM the stupid truck started, so I took it for a drive and filled the tank and it so far is doing just fine. Everyone have a nice new year.

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