Question about 1997 GMC Sierra
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Posted on Jan 02, 2017
I would suggest stopping by an AutoZOne or O'Reilly's and "borrow" their Scan Tool to erase any codes.
TO reset the "Change Oil" light, turn the ignition to ON (do NOT start the car). Press the accelerator pedal all the way down (then release) to the floor 3 times in less than 5 seconds. Change Oil light should flash then go off. If not, try it again. The trick is to get this done in 5 seconds ro less.
Posted on Apr 01, 2010
Testimonial: "One question answered correctly but the second question was misunderstood."
the injectors are fired thru the engine cotrol module but it gets its signal to fire from the pick-up located inside the distributor if you are loosing injector pulse only the ignition module is bad if you are also loosing spark when you loose injector pulse your pick up is causing the problem if you replace the pick-up i recomend you change the ignition module when doing so because they work together and you have to remove the distributor to change the pick-up
Posted on May 31, 2009
I believe you have a fuel regulator weak or dirty injectors.
Try turning the key to the "on" position ( do not try and start) wait until fuel pump stops running (3-5 seconds or so ), turn the key off and immediatly repeat for 3 cycles. On the 4th key rotation, start the vehicle. Does it seem to start up faster?
If so, the regulator is weak, however, the fuel pump does have a check valve in it to prevent fuel from leaking back into the pump and maintain line pressure.
Try the diagnostic proceedure above first and we can go from there.
Good luck, let me know.
Posted on Jul 15, 2009
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