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Chevy S10 - GMC S15 and Sonoma Care & Maintenance

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#308 of 374 97 S10 No Start GASOLINE in Computer! by jlflick Nov 05, 2006 (2:53 pm)
When you think you've seen it all! 1997 S-10 4.3X 5 speed. Been smelling gas when I get out of truck for 6 months or so, snugged nuts on spyder injector, still smelling gas. This week, check engine light came on, ran rough, then Check Engine Light started blinking. Got home, parked it, couldn't restart it. Pulled codes, low coolant temp, vehicle speed sensor. No spark from coil, checked coil, never going to ground when cranking. Reseated connectors to sensors. No help. Upon reseating computer connectors, lower 2 connectors when pulled out, the weather seal bootie expanded and out of shape. Smelled more gas, took computer off mounts, POURED A WHISKEY SHOT GLASS FULL OF GASOLINE FROM THE COMPUTER!!! Separated the case, the o-ring seal expanded like a spring waiting to get out. Computer boards have sealant on them, gas evidently broke it down into goo. Dried it w/air gun, At least it starts now but still Check Engine Light on. I'm guessing computer is shot, but my concern is more HOW DOES GAS GET INTO THE COMPUTER???? Only possible way is via the wiring harness, anyone else find this? I wonder how many unexplained underhood fires were the result of this? PLEASE IF ANYONE HAS ANY IDEA HOW TO STOP THE NEXT COMPUTER FROM FILLING W/FUEL (HOW'S IT GETTING THERE?) LET ME KNOW.   Thank You!!! Replies to this message: spincycle07 (Nov 13, 2006 11:01 am) jlflick (Nov 15, 2006 6:04 pm) canufixit (Nov 20, 2006 9:03 am)
#309 of 374 92 S-10 2WD 4.3Z door hinge by hoodlatch Nov 06, 2006 (9:39 am)
Has anyone replaced the complete door hinge? What kind of job is it? Is it welded or bolted on a 92 S-10 pickup?   Replies to this message: canufixit (Nov 15, 2006 12:09 pm) hoodlatch (Nov 16, 2006 5:14 pm) canufixit (Nov 20, 2006 7:11 am) hoodlatch (May 28, 2007 7:27 pm)
#310 of 374 98n chevy s-10 extreme security function trouble by charlotte40165 Nov 06, 2006 (11:28 am)
Can anybody please tell me how to disconnect the security line?switch?fuse? i recently tried to start my truck and the ignition wouldn't even turn to the on position, so we had to break it out. My problem now is that I don't have the money to buy a new ignition yet so I planned on starting it with a screw driver, well the security feature is not allowing me to do that. When the security light is on the truck will start then die just as quick as you started it. A few times it has started anr run. Please, help. Replies to this message: canufixit (Nov 15, 2006 10:17 am)
#311 of 374 Re: 97 S10 No Start GASOLINE in Computer! [jlflick] by spincycle07 Nov 13, 2006 (11:01 am)
Replying to: jlflick (Nov 05, 2006 2:53 pm) I have a 97 Astro Van that has this exact same problem. I took it into the shop and they had no idea how gasoline could have gotten into the computer. They replaced the computer but didn't solve the problem. I then took it to another shop. They are looking at it right now, but the mechanic had heard of gasoline wicking up the wiring harness into the computer. I don't know where it is coming from, but I will find out when he gets it done. He thought it would take around 2 hours of labor. This mechanic said that it would definately fry the computer again if nothing was done to fix it. Very scary thinking that it could cause a pretty severe fire. Replies to this message: jlflick (Nov 15, 2006 6:04 pm) canufixit (Nov 20, 2006 9:03 am)
#312 of 374 Re: 98n chevy s-10 extreme security function trouble [charlotte40165] by canufixit Nov 15, 2006 (10:17 am)
Replying to: charlotte40165 (Nov 06, 2006 11:28 am) I think remember reading that the security chip is a "Proximity" based system. Try taping your key to the steering column ??
#313 of 374 Re: 92 S-10 2WD 4.3Z door hinge [hoodlatch] by canufixit Nov 15, 2006 (12:09 pm)
Replying to: hoodlatch (Nov 06, 2006 9:39 am) Hood Latch , Why the need to replace the hinge ??? The Reason would change my reply/repair technique ..   Canufixit Replies to this message: hoodlatch (Nov 16, 2006 5:14 pm) canufixit (Nov 20, 2006 7:11 am)
#314 of 374 Re: 97 S10 No Start GASOLINE in Computer! [spincycle07] by jlflick Nov 15, 2006 (6:04 pm)
Replying to: spincycle07 (Nov 13, 2006 11:01 am) Thanks for the reply, I found that my spider injector assy is leaking up through the electrical connector. How it's getting up the wiring harness must either be by vibration or pressure? To wick I'd think would take cloth/absorbent material to travel on? It can't be gravity, the computer's higher than the intake. If there's a fix you find please advise?   Thanks again. Replies to this message: canufixit (Nov 20, 2006 9:03 am)
#315 of 374 Re: 92 S-10 2WD 4.3Z door hinge [canufixit] by hoodlatch Nov 16, 2006 (5:14 pm)
Replying to: canufixit (Nov 15, 2006 12:09 pm) Canufixit, thanks for the reply. Age has gotten to the hinge pin and has wallowed out the hole the pin goes through. On some cars in the past I've taken the hinge off, drilled the hole out over size and fitted a new pin. But the hinges use to be bolted on. I don't know what I'm dealing with on the S-10s. Regards. Replies to this message: canufixit (Nov 20, 2006 7:11 am)
#316 of 374 Re: 92 S-10 2WD 4.3Z door hinge [hoodlatch] by canufixit Nov 20, 2006 (7:11 am)
Replying to: hoodlatch (Nov 16, 2006 5:14 pm) As the pins are loose - I think I'd support the door - then punch out the pins?? Then rotate the door out so it is parallel to the front fender (I'm thinking of the electrical cables here ...) then drill out and replace the hinges as you said ??   Canufixit
#317 of 374 Re: 97 S10 No Start GASOLINE in Computer! [jlflick] by canufixit Nov 20, 2006 (9:03 am)
Replying to: jlflick (Nov 15, 2006 6:04 pm) My inputs ...   The Injector (prefferably) and/or connector "should" be designed to prevent this - so I'd first look for this as root cause ... For a reason why it is getting into the computer "after" it get by the connector - I had a thought. Either Pressure in the cable from the ejector - or - If the Computer is well sealed - the air inside will expand and contract with temp difference as it heats/cools - and if it does not have a vent ?? capable of letting air in/out (with not water/ dirt) to equalize the pressure - it might just be using the cable on it's end to do this... So when the air expands in the Computer case - it pushes out the cable - when it contract - the vacuum sucks on the cable and pulls the gas up ??   Fixing the injector connector/leak, to me, is the root cause here - but posssibly adding in a vent in the cable casing may be a possible work around - BUT BE CAREFUL if the gas is actually getting into the cable (pressure from the Injector side cable leak?) - then gas will, in instead of going in to the Computer case, go into the cable and squirt out - FIRE HAZARD .... Remember the injector inside is high pressure !!   To me this should be root caused and the NTSB be notified ..   I suggest you visit a dealer with your results to date (if they were not in the loop) - this should at least free you from any liability should you see the vehicle ..   Canufixit.

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