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Chevy S10 - GMC S15 and Sonoma Starting problems

195 messages,  Last post on Nov 20, 2009 at 8:21 AM

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#186 of 195 Re: starting problems solved [plaiddreams] by mickey_m3 Oct 20, 2009 (7:18 pm)
Replying to: plaiddreams (Nov 18, 2008 9:08 pm) Hello,   We were searching possible problems for our 2002 S10 4.3 as it began with misfire and he replaced the Spider Injection (brand new), complete tune up and truck has good fuel pressure 65 lbs. at idle. Nothing is working and were are at lost. The truck runs, however random misfiring at cyl. 3 and will not rev up. We came across your post and noticed that you a lot of made sense. Any help is greatly appreciated.
#187 of 195 S10 misfiring and starts but will not accelorate by mickey_m3 Oct 21, 2009 (11:37 am)
I am searching possible problems for our 2002 S10 4.3 as it began with misfire and he replaced the Spider Injection (brand new), complete tune up, replaced distributor, crank / cam sensor, coil module and truck has good fuel pressure 65 lbs. at idle. Nothing is working and were are at lost. The truck runs, however random misfiring at cyl. 3 and will not rev up. We just bought the truck used and only able to use for 1 week. We have dropped over $1000 in repairs and he wants to junk but I wanted to see if there was any saviour for it. Any help is greatly appreciated. Replies to this message: hoodlatch (Oct 21, 2009 11:53 am) gonogo (Oct 22, 2009 7:01 am)
#188 of 195 Re: S10 misfiring and starts but will not accelorate [mickey_m3] by hoodlatch Oct 21, 2009 (11:53 am)
Replying to: mickey_m3 (Oct 21, 2009 11:37 am) Sounds to me like your throwing a ton of money at it with out pin pointing to source of the problem. Is it giving you any codes? What did the plugs look like that you took out? At what stage does it miss fire? How many miles is on the engine. When you pulled the distributor what shape were the plug wires in? Couple of weeks ago my s10 was missing at cyl 4 and I discovered I broke the Porcelain on the plug when I replaced it.
#189 of 195 Re: S10 misfiring and starts but will not accelorate [mickey_m3] by gonogo Oct 22, 2009 (7:01 am)
Replying to: mickey_m3 (Oct 21, 2009 11:37 am) You never mentioned cat converter. Have you checked that with a vacuum gauge or pressure gauge.
#190 of 195 Fix for s-10 starting problem by medic09 Oct 26, 2009 (12:33 pm)
I recently bought a 2000 s-10 2.2L manual transmission. It stopped starting only 3 weeks in. I cursed it up and down for two days trying to trace the problem. The order of events began one evening when it took a while to turn over. I cranked it three or four times and finally got it to turn over. The next morning was a different story. It tried to turn over for a while and finally stopped cranking. Long story short I cleaned the starter and the wires running to that, and at least after that it tried cranking again. Finally a mechanic friend got his hands on it. Seems the fuel filter was shot, which i hear is common, and he replaced that, but with no change in status. He was about to drop the tank and remove the fuel pump when he first decided to test all the wires running to the pump. I understand this is a miserable process. At any rate, they all tested ok, but somehow after detaching and reattaching, the fuel pump came on and started working properly. He hypothesized that resistance built up and the pump overheated. Whether this is right or not, the truck now runs. So, try undoing all your fuel pump wires and reattaching them. May just work for you too. Replies to this message: gonogo (Oct 27, 2009 8:36 am)
#191 of 195 Re: Fix for s-10 starting problem [medic09] by gonogo Oct 27, 2009 (8:36 am)
Replying to: medic09 (Oct 26, 2009 12:33 pm) That connector is a known problem, if it bothers again have the tech put in a new repair connector, they get burned from high resistance. And clean the pump contacts.
#192 of 195 Re: 00 S-10 wont start [broper1] by mc22x3 Oct 31, 2009 (3:13 pm)
Replying to: broper1 (Feb 10, 2008 7:40 pm) help if you ever found out witch wire it was please tell me. thank you
#193 of 195 Re: 1991 S10 starting problems [usmctanker1] by mc22x3 Oct 31, 2009 (3:41 pm)
Replying to: usmctanker1 (Aug 15, 2008 6:44 am) help if you ever found the problem let me know what it was.
#194 of 195 Brakes causing electrical short = no start by g_wynne_1 Nov 19, 2009 (10:43 am)
My 92 S10 4cyl is having some major electrical problems and now refuses to start, and I think its due somehow to the brakes. I came out the other day and the engine would crank but not turn over. I'd been having some electrical issues (when i turn on my heat, my stereo would go out) and figured maybe my battery had somehow been drained. Went and had the battery tested and it was still good. When i put the battery back in i got inside and pressed the clutch and the brake and attempted to start it, and all my electrical went out, no cranking, nothing. When i just pressed the clutch and not the brake to try to start it cranked, but still wouldn't turn over. When i have accessories on but not the engine then press the brake pedal, everything goes out. Is there some sort of electrical connection to the brakes that could be causing this to happen? I'm in dire need of getting this truck up and running, so any advice would be greatly helpful. Replies to this message: gonogo (Nov 20, 2009 8:21 am)
#195 of 195 Re: Brakes causing electrical short = no start [g_wynne_1] by gonogo Nov 20, 2009 (8:21 am)
Replying to: g_wynne_1 (Nov 19, 2009 10:43 am) You have a poor electrical connection, at battery, battery wires to ground or power to starter. All power starts at the starter solenoid, lots of wires on it. The brake lights are drawing what little power is getting through the poor connection.

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