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Chevy Silverado and GMC Sierra Starting Problems

193 messages,  Last post on Nov 16, 2009 at 4:26 PM

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What is this discussion about? Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Silverado 2500, Truck

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#11 of 193 92 Silverado 4.3l V6 Starting problems by asolinger Aug 08, 2007 (5:32 am)
I have read several posts similar to my problem and still have not seen much about it being fixed, so any help would be great. I have a 92 Silverado 4.3 V6, 5-spd manual trans. Truck will not always start when turning the key, Dash lights and radio fire up but engine does not fire. Most of the time I hear a click and sometimes there is not click at all. If I let the truck sit for 5-15 minutes and try again, it starts right up. I have had this problem off and on for more than a year and sure it must be a simple fix. I have changed fuel pump, filter, starter , plugs, battery, neutral safety switch, wires, plugs, cables, coil and still cannot find out what the deal is. It is as if there is a relay being tripped or a fuel pressure backup somewhere that needs to dissipate before the truck will start. If anyone has any ideas, I am certainly appreciative.   Thanks
#12 of 193 WONT START WITHOUT JUMP by chevy2007 Sep 02, 2007 (4:07 am)
#13 of 193 WONT START WITHOUT JUMP by chevy2007 Jul 21, 2007 (11:34 am)
2007 BATTERY DIES JUMP START TAKE TO DEALER CAN FIND NOTHING WRONG ONLY 2200 MILES ON TRUCK.TRUCK IS A LTZ MODEL ALL POWER Replies to this message: doubledw (Sep 02, 2007 4:07 am)
#14 of 193 Re: WONT START WITHOUT JUMP [chevy2007] by doubledw Sep 02, 2007 (4:07 am)
Replying to: chevy2007 (Jul 21, 2007 11:34 am) Hi My father in law has a LTZ crew cab 4x4 and has had the same problem. His battery is getting run down because the fuel pump runs and runs. It has been to the dealer 4 times and they are putting there heads in the sand. They have contacted a lawyer and may have to envoke lemon law. My inlaws hate the fact that they even have to talk with a lawyer but the spent 45k on this truck and he does not know if it will start or not. Next time you run around in it when you shut it off see of you can here pump running. It may be a short in the wiring harness. Yesterday we went down to a fishing hole on a bumpy road and it started doing it. He really wants to keep this truck but it has been a real heartbreak for him. If any one else has any ideas would be greatly apreciated. I am on here to check for them you can email me direct. doubledwcox.net Thanks
#15 of 193 88 K1500 won't start by diehard40 Aug 21, 2007 (4:51 am)
Replies to this message: richard__01 (Sep 24, 2007 3:23 am)
#16 of 193 88 K1500 won't start by diehard40 Jul 23, 2007 (5:23 am)
I've got a 1988 K1500 with the 350 FI. It won't start, turns over, but won't start sounds like fuel problem. Fuel pump has been changed, fuel filter, Fuel pump relay, Fuel pump fuse, ignition coil, all have been changed or checked.   Any ideas. It is getting power, just seems to not be getting any fuel. Replies to this message: 0patience (Jul 26, 2007 5:31 pm) diehard40 (Jul 27, 2007 4:50 am) 0patience (Jul 27, 2007 3:57 pm) and 1 more...
#17 of 193 Re: 88 K1500 won't start [diehard40] by 0patience Jul 26, 2007 (5:31 pm)
Replying to: diehard40 (Jul 23, 2007 5:23 am) The possibilities are endless. Start with basics. Compression. Spark. Fuel. Air in and out. Check the compression with a compression gauge. Use a spark checker to see if it has spark. Put a timing light on it and see what it shows. Use a fuel pressure gauge to see if it is getting fuel pressure. Is the air filter/tubing plugged? Is the catalytic converter plugged?   When you crank it, does the engine itself seem to be puffing smoke (like out of the valve covers and oil fill) when you crank it over?   What do you mean when you say it is getting power. Power to what? Replies to this message: diehard40 (Jul 27, 2007 4:50 am) 0patience (Jul 27, 2007 3:57 pm) diehard40 (Jul 30, 2007 4:39 am)
#18 of 193 Re: 88 K1500 won't start [0patience] by diehard40 Jul 27, 2007 (4:50 am)
Replying to: 0patience (Jul 26, 2007 5:31 pm) it is sparking, it shouldn't be the catalytic converter since it was pulled 10-12 years ago. no puffs of smoke around the valve covers. I probably just need to get a professional to come towe it in and look at it, just trying to be cheep and do it my self Replies to this message: 0patience (Jul 27, 2007 3:57 pm) diehard40 (Jul 30, 2007 4:39 am)
#19 of 193 Re: 88 K1500 won't start [diehard40] by 0patience Jul 27, 2007 (3:57 pm)
Replying to: diehard40 (Jul 27, 2007 4:50 am) I just remembered something. Check the fuel injection and ignition fuses. They should be marked ECM-IGN and INJ A+B. I am betting one of them is blown. If it is blown, pull the air cleaner and see the pair of wires that goes to the injector. It is most likely worn thru the insulation and is shorting on the air cleaner.   Let us know what you find. Replies to this message: diehard40 (Jul 30, 2007 4:39 am)
#20 of 193 Re: 88 K1500 won't start [0patience] by diehard40 Jul 30, 2007 (4:39 am)
Replying to: 0patience (Jul 27, 2007 3:57 pm) i have checked every fuse that i can find on the truck, but will look at them again. now the wires leading to the injectors may be a problem. I know that one is worn and gets a little loose at times.

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