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Cody101010
Novice
Nov 5, 2012, 7:48 PM
Post #1 of 18
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My s10 won't start
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I have a 1998 s10 4.3. I was driving down the road and it died on me so I got it towed to the house and started testing on it I have 65psi fuel press and and I was getting fire I ran the codes on the ECM and the Cps(crankshaft pos sensor) code was on their so I replaced that and it still won't start. I ran a compression test and had about 150psi on all cylinders. So I need help
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Cody101010
Novice
Nov 5, 2012, 8:06 PM
Post #2 of 18
(2923 views)
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Re: My s10 won't start
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I forgot it just had a full tune up done 800 miles ago
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 5, 2012, 8:19 PM
Post #3 of 18
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Re: My s10 won't start
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Did they set the timing when they did that tune up?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Cody101010
Novice
Nov 5, 2012, 8:37 PM
Post #4 of 18
(2886 views)
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Re: My s10 won't start
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No.... But I just put a timing light on it and it is firing just before tdc. I just tried to advance and retard the timing and nothing.
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Cody101010
Novice
Nov 6, 2012, 12:40 AM
Post #6 of 18
(2838 views)
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Re: My s10 won't start
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I marked it before I moved it and it don't have injectors it a tb and no it will not start on starting fluid that is one of the first thing I tried. Sorry I forgot to say that. And I tested it with a spark tester that goes between the spark plug and wire. And it fired but that don't mean it is going through the plug so I pulled one out and and it was firing but it was wet(due to the fact of me trying to start it over and over again)so I know I will need new plugs but I don't understand why it just died and would not restart
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Cody101010
Novice
Nov 6, 2012, 10:56 AM
Post #8 of 18
(2795 views)
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Re: My s10 won't start
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I know old school carb. Engines I don't know a fu****g about those sensors or computers I have built a lot of engines in my day. And no it does not have single injectors so smart ass come at me again with something besides a fuel problem I do know it is getting gas in the cylinders
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 6, 2012, 12:33 PM
Post #9 of 18
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Re: My s10 won't start
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This is your one and only warning to watch your mouth.
You have a computer controlled fuel injected engine............. period
If you don't know what you're talking about, I don't advise you to argue with someone that does this for a living.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Cody101010
Novice
Nov 6, 2012, 1:35 PM
Post #10 of 18
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Re: My s10 won't start
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Well I know it is getting fuel cause all my plugs were soaked wit gas. So what else do I need to check. And I apologize I am just so frustrated with this truck. I might just pull out the 4.3 and put a 350 small block in it with no computer.lol I just don't want to go to all that trouble.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 6, 2012, 1:53 PM
Post #11 of 18
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Re: My s10 won't start
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If your plugs are wet you either have no/insufficient spark or you have turned the distributor and thrown the injectors and rotor out of synch with the ignition. The distributor can only be set with a factory quality scan tool that reads cam offset.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 6, 2012, 2:07 PM
Post #12 of 18
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Re: My s10 won't start
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Cody - you can't just up and change out the whole motor as the 350 or 5.7 is the same deal. If you are running rich there should be codes. General areas could be several things but a silly temp sensor CTS right at thermostat could be telling the thing it's cold all the time and the list goes on.
Don't be looking for things to adjust. Trying to just messes it all up. Look and get codes and circuits showing faults or a professional diagnosis and if you want still do the work. You'd be shocked at what being wrong is going to cost you. Getting angry with the way it is designed isn't the approach.
All the assorted adjustments of back when got so messed up by folks who didn't know squat then so they took what you might be able to mechanically adjust to fix (usually just messed it up then too) away to make it run it's best and they do if not messed up. Tossing parts and guessing wastes time and money vs targeting the problem,
T
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Cody101010
Novice
Nov 6, 2012, 4:57 PM
Post #13 of 18
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Re: My s10 won't start
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Well towed to the dealership and they hooked up their computers to it and I did mess up the timing they said they fixed that and their are no codes showing but still won't run I don't have the spear money for them to tear into it but they said it might be the catalytic converter maybe stop up so I am going to in bolt it and see what happens tomorrow
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 6, 2012, 5:16 PM
Post #14 of 18
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Re: My s10 won't start
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I seriously doubt the Converter is preventing it from starting at all. There is no pressure buildup with an engine that isn't running.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Cody101010
Novice
Nov 6, 2012, 7:46 PM
Post #16 of 18
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Re: My s10 won't start
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I don't know know how they set it but they said they got it where it need to be and about the converter I don't know but I am going to try it anyway
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Sidom
Veteran
/ Moderator
Nov 6, 2012, 10:31 PM
Post #17 of 18
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Re: My s10 won't start
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If you are using a spark tester..........check it a 10, 20 & 40 kv. If you get a weak spark (orange) try a tester coil...........
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Cody101010
Novice
Nov 7, 2012, 11:22 AM
Post #18 of 18
(2658 views)
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Re: My s10 won't start
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Well I unhooked the catalytic converter and it started up thanks for all the helpfull advise
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