Chevy S10 - GMC S15 and Sonoma Starting problems - Car Forums

I have the same engine on my 92 sonoma.The fuel pump is in the gas tank.The fuel filter is bolted to the frame just in front of the gas tank.I hope that helps.

#281 of 314 Starts when cold by theliebls1

Nov 11, 2011 (5:15 am)

I have a 98 chevy s10 with 237,000 on it. In the mornings when its cool out it starts right up. When is warm out it cranks for 4 to 5 sec and then start but starts rough. If I shut it off and start it back up right away it starts fine. If I wait 15 minutes or so it starts rough. Once it starts it runs fine.

So far I have replaced the fuel pump and the fuel regulator. Tested IAC, TPI and Air intake temp sensor.

Replies to this message:

picatudo (Feb 05, 2012 7:58 am)
- reaper261 (May 07, 2012 7:06 pm)

#282 of 314 4 starters in 4 months. by sonomamalice

Nov 22, 2011 (9:48 am)

2000 GMC Sonoma SLS 4.3 2x4 Automatic. Slightly under 80k miles. I've owned it for the last 47k miles. Never did anything to transmisson. Fluid is clean. Not sure if it ages like brake fluid.

Here's the conundrum, Sometimes the truck starts perfect. sometimes it makes a grinding noise like it just can't connect with the flywheel fully. First starter (cheap remanu. from AAP) the housing dome basically exploded. Second starter (Brand new from quality built) on the third start sheered the dome clean off. Third starter (NAPA remanu) Im not sure is bad. One of the two wires to this starter had broken so I replaced it and installed a new starter (Remy from AAP, brand new). First start with the Remy was the strongest I've heard in the past 8 months. Second start on it made that grinding noise. Third start was in between both. Since it sometimes has a good start , and sometimes sounds like it's grinding and going to explode, could I have a bad flywheel? Either missing teeth or a 'flat' spot? This was the main explanation I got from all the mechanics I've talked too.

Doesn't matter if it's cold hot wet or dry. The problem is completely random.

History: New plugs about 38k miles ago. new drive shaft 6 months ago, the u bolts at the rear broke. This happened when I was driving abut 70mph and made the truck bounce violently. Not sure if this could of cause other internal damage that took a bit to turn into a problem.
Don't know what other information you need. Also, does my flywheel have 153 or 168 teeth and when I look for a part it asks if I want internal or external engine balance. Guessing internal? Also if I replace it, suggestions on a replacement? Money doesn't matter, I'd rather pay for a good part and save the worry then save some dosh and have a repeat down the road.

Thank you ahead of time and sorry this is such a huge post.

Replies to this message:

supergrade7 (Jan 11, 2013 5:36 pm)

#283 of 314 starting issue. by zales

Dec 11, 2011 (4:37 pm)

My 96 s10 won't start. a little gas in the throttle body, and it starts and runs fine. will start again after that but not after sitting a while. baffled

#284 of 314 97 chevy s 10 by wolfa2013

Jan 17, 2012 (1:29 pm)

i need to no wat is going on with my truck it would start but now nothinh all its doin is clicking but it has a good starter and all that but its doing nothing at all

#285 of 314 Re: Starts when cold [theliebls1] by picatudo

Feb 05, 2012 (7:58 am)

Replying to: theliebls1 (Nov 11, 2011 5:15 am)

had the same problem ,you have a leaking injector ,replace the spider [all injectors] will fix the problem.

Replies to this message:

reaper261 (May 07, 2012 7:06 pm)

#286 of 314 99s10 by lookwaticought

Mar 12, 2012 (3:07 pm)

#287 of 314 99 s10 by lookwaticought

Mar 12, 2012 (3:19 pm)

i have a 99 s10, it has 180k on it, motor has been replaced, the problem is, when i turn the key it takes 5 to 10 seconds to starts sometimes longer, when it does start it has a rough sputter to it and this has been going on for a while now, sometimes when i turn the key nothing, so i have to push start it, when it starts i can shut it of and start it, that whole series of the push start faded away, but today it took about 15 seconds to start with a long sputter and a loud statick kind of sound. the batterie is good tested today, iv changed the park plugs alt. and starter are new, fuel pump is good replaced it 1 year ago, fuel filter has been changed also with the one under the hood on the fuel rail, iv tooken it to mchanics and they gave it back no charge cause they couldnt figure it out, my check engine light whole system doesnt work, since the motor has been replaced, iv been going to school every day so i dont have a very steady job not much income so some right advice will, help, if ur from engle wood or sarasota fl and can help for low cost, or maybe trade for services i do land scaping and will trade services, the truck will start good sometimes when it is cold out side but when its hott its a hard start, and giving it gas does not help.

#288 of 314 S-10 sonoma not starting by jstilwell

Mar 18, 2012 (7:55 am)

I've read and read on the blog your hosting. my 03 S-10 (new to me) was acting like it was running out of gas while running down the highway.I would start back up as soon as you pulled off the road.it died on wife 6 times on short trip. went out next morning would not start at all. will start on carb cleaner but only run if I keep spraying short burst.I haven't check fuel pressure yet,becaus all the responds.The 03 doesent have the open fuse on the firewall to try the jumper wire he said worked for him.Has any one found the right answer yet.Going to borrow fuel pressure gauge now.Has new fuel filter new fuel pump one year ago.and ground to frame is good

Replies to this message:

tomyg (Mar 18, 2012 9:23 am)

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