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05-11-2009, 11:51 PM | #1 | |
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Tranny replaced, now it wont start!
Just got thru replacing the tranny in my 2000 4x4 S-10 blazer, went to go start it and it just turns over. I had the battery disconnected for about a week during the tranny project.
I haven't checked anything yet, just wondering if the battery being unhooked might cause a problem..... Anyone? |
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05-12-2009, 08:58 AM | #2 | |
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Re: Tranny replaced, now it wont start!
dunno, what's the V of the battery now?
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05-12-2009, 09:23 AM | #3 |
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Re: Tranny replaced, now it wont start!
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05-12-2009, 09:30 AM | #4 | |
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Re: Tranny replaced, now it wont start!
no it shouldnt. check your security light.does it come on? does it stay on a few seconds and go out.if it stays on it maybe in security mode which shuts off fuel to the injectors.if the light goes out after 10 or so seconds then it is probably something else.check for spark to the plug wires. if u can get to an injector plug u can check to see if it is getting juice using a small marker light bulb inserting in to the injector plug connectors turn it over if it flashes then u have injector pulse and should be working properly. can u hear the feul pump turn on to pressuerise the fuel system. if not try sprying some carb cleaner {not starting fluid as that is very ruff on the engine}while some one trys to start it.does the check engin light come on when the key is in the run position? BUT FIRST MAKE SURE THE BATTERY IS HOT SO IT TURNS THE ENGINE OVER FAST ENUFF.good luck let us know.
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05-12-2009, 10:01 AM | #5 | ||
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Re: Tranny replaced, now it wont start!
Quote:
I cannot hear the fuel pump running. Please don't tell me it's a fuel pump, how can it go bad from sitting for a week, it was fine before. I'll try some carb cleaner later on today. Thanks. |
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05-12-2009, 11:24 AM | #6 | |
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Re: Tranny replaced, now it wont start!
ok! first dont give up YET! remeber it just a truck made by humans and subject to occsasional failures.most times folks get up go to work or just go to the store and in just a few minutes they come out and wont start then they have to be towed.if thats what it is atleast you were home when it happend.fuel pump replacements suck but are usally fairly easy. unless u live in the rust belt.if u like u can also try having someone try to start the truck while u hit the tank with a heavy rubber mallet or 2 by four or use your own judgement there . sometimes that will jogg the pump and it may run again but if it does that is still just a check proceduer not a cure. older gm cars with the older computuers used to bad about doing the same start it up stop at the store ,bam no start they come in on a hook get them in the shop find the computer tapp them somtimes take them out of the holder and squezz and twist them and they would start. but most times folks dont change the fuel filter as part of preventive maintenace { around 30-50,000 miles } .as the filter gets full of dirt and or contaminants it gets harder and harder for the fuel pump to get fuel thru the filter causing premature pump failure. but it still is just part of the big picture. occasionaly fuel pump relays and or fuses will be the prolbem.if all that checks out to be good and the pump still wont run then u can disconect the power sending unit plug { near fule tank } and use a test light have someone turn the key on and off waiting a few seconds on each turn ,to make sure it is getting power.if it is getting power the light will only be on for a few seconds and will go out.repeat the procedur several times just so u can be sure it. i hope this helps some. i am not perfect and some of my info may be incomplete or in accurite after all i am only human.but maybe this will propmt otherrs to chim in. good luck!
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05-12-2009, 12:13 PM | #7 | |
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Re: Tranny replaced, now it wont start!
Ok, I have no spark, no fuel & no security light
Zero fuel pressure at the rail. Tried using carb cleaner while starting, it made no difference what-so-ever. Battery is good & I'm using a charger with a 225amp engine crank. Its turning over fast. How much will I get for this at the local crushing yard??? |
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05-12-2009, 02:32 PM | #8 | ||
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Re: Tranny replaced, now it wont start!
Quote:
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05-12-2009, 02:39 PM | #9 | |
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Re: Tranny replaced, now it wont start!
I made a slight mistake.when it in securty mode it shuts off injector power.that how it stops it from running. Not the fuel pump!
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05-12-2009, 11:47 PM | #10 | |
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Re: Tranny replaced, now it wont start!
Update!!!
The Check engine light (service engine) does not come on at all with the key is the on position. What does this mean? I did scan the vehicle----no codes. |
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05-12-2009, 11:50 PM | #11 | ||
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Re: Tranny replaced, now it wont start!
Quote:
If you have no pressure, then you'll have to re check all your connections under the truck, make sure you didnt pinch any wiring when you were installing the transmission. Having the battery disconnected for a long period will not hamper it starting once reconnected. No SES light is an indication something not cennected or is shorting. Check your underhood fuses for ignition and PCM. |
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05-13-2009, 01:15 AM | #12 | |
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Re: Tranny replaced, now it wont start!
Ok, I think we're getting closer. My previous assumptions were wrong, here are the facts:
-It has good spark. (checked with a spark tester) -The fuel pump relay is clicking on and off when the key is cycled. -I cannot hear the fuel pump running at all. -It will start up with carb cleaner sprayed into throttle body, as soon as I stop spraying it dies. (The last time I tried I wasn't using enough carb cleaner) -No CEL/SES light with the key in the on position. (maybe the light is burnt out) -No fuel pressure at rail valve. -All fuses checked good I suppose I need to check for power at the fuel pump plug. I have a funny feeling all this points to the fuel pump... |
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05-13-2009, 06:20 AM | #13 | ||
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Re: Tranny replaced, now it wont start!
Quote:
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05-13-2009, 09:38 AM | #14 | ||
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Re: Tranny replaced, now it wont start!
Quote:
__________________
2000 S10Blazer LT 4 Door 4x4 Billet Grille insert Winter 30X9.5QR15 BFG's All-Terrain T/A KO's |
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05-13-2009, 10:11 AM | #15 | |
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Re: Tranny replaced, now it wont start!
I should also mention that before any tranny work was done the Blazer wouldn't start under it's own power with a brand new battery. The only way it would start is with a jump.
I had this problem a few days before starting the tranny work. Which wires on the fuel pump plug do I need to check for power? I noticed the fuel pump wires have been messed with, they have been spliced. |
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