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Old June 16th, 2010, 08:43 AM   #21
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I think I can forget the water issue! This started back in the beginning of May! When I had a shop diagnose it, they told Me I wasn't getting fuel to no. 4 cylinder. Ok, new injectors go in it! Now I'm thinken valves arn't working! Am I on to something? When it comes to the heads, thats where I turn stupid!
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Old June 16th, 2010, 07:18 PM   #22
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Took the valve covers off and started her up, every thing looks good, except #4 intake is pumping alot more oil then the rest of the 15 rods! Problem?
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Old June 24th, 2010, 11:09 AM   #23
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is it opening the valve as much as the others u might have a colasp lifter
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Old June 25th, 2010, 06:16 AM   #24
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Quote:
Originally Posted by rinking View Post
Took the valve covers off and started her up, every thing looks good, except #4 intake is pumping alot more oil then the rest of the 15 rods! Problem?
The oil squirts are not an issue as some shoot like hell. you should adjust the valves while your there. if you don't know how here it is...

1. remove cover (install splash clips over squirt holes)
2. start engine
3. using a socket wrench with an extension loosen one rocker at a time.
4 as soon as it starts to "Clatter" stop and tighten till it quits. Then slowly tighten back down another approx. 3/4 to 1 turn. ( it will stumble and idle rough for a second or two till it leaks down the lifter).
5. do the rest making sure it idles correct after ever pair is adjusted. once done check your oil returns for debris.
6. re install the covers. wash engine down with soap and water as needed
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Old June 25th, 2010, 06:31 AM   #25
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Two weeks ago a friend had this exact same issue with a cylinder running dry. Noid light verified that we had injector pulse at the injector. Changed around two injector wires and it still wasn't spraying. Took the rail off, swapped two injectors around, and that cylinder was still running dry. It took us 9 hours to figure out that the fuel rail had a big hunk of something that was wedged down in the port preventing fuel from getting to the injector. We flushed out the rail and couldn't believe all the crap that was in there. Cut open the fuel filter, and it was clean as could be. The engine was in a camaro, and it was pulled from the camaro and put into his jeep within two months, so he has no idea where this debris came from.
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Old June 25th, 2010, 06:42 AM   #26
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I had the same thing happen to a 97 vortec, Changed everything, did the same thing you did, I changed my fuel filter and it got a little better. Changed the fuel pump and she runs great. It was wierd at an idle or free reving no trouble, put it under a load and it would spit and miss. I was just about to get rid of it when I figured I had this much money in new parts. Figured I would put a little more into it and it fixed the trouble.....Could be the pickup under the rotor in the distbutor as well. This worked for me and just my two cents and should not be taken for anything more then that.
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Old June 26th, 2010, 11:40 AM   #27
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I'm leaning towards lifters! I checked fuel preasure, turn key on to cycle pump and i got 60 psi then it drops to 55 psi. When I start the motor it runs at 51-52 psi. I'm gonna take it somewhere to get it fixed! I need this thing running for the 4th! I'll let you guys know what it is. I won't be one of those guys that never finishes the thread, I hate that!
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Old July 6th, 2010, 09:42 PM   #28
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Fixed! My PCM had some water in it! Let it sit in the sun for a day and in a plastic tote full of rice over night and now I'm back to wheelen! Thanks to everybody that tried to help Me, hopefully this will help someone else out someday!
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