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Old 12-03-2010, 02:59 PM   #1
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P1174

I did a search an no one has come up with a solution. My car is throwing this code intermittently. Came on for a day, went away later that night, threw it a few days later(today) and still on.

Fuel balance.

Any ideas yet?
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Old 12-03-2010, 03:15 PM   #2
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Fuel trim and cylinder balance....hmmmm.....bad injector(s)?
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Old 12-03-2010, 04:33 PM   #3
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Quote:
Originally Posted by Snoopy View Post
Fuel trim and cylinder balance....hmmmm.....bad injector(s)?
Definitivelly is a bad injector. I had struggling about 6 month with this code. I changed spark plugs, added tons of fuel additives, swaped coils...nothing. I just replaced the 2nd and 3rd injectors, and this rid the code.
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Old 12-03-2010, 04:49 PM   #4
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Dirty injector will throw the same code and this TSB states to replace all injectors and reprogram ECM.

https://www.chevyhhr.net/forums/problems-service-repairs-42/official-tsb-recall-thread-23231-post377970/

Last edited by ChevyMgr; 12-03-2010 at 07:38 PM.
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Old 12-03-2010, 07:06 PM   #5
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Originally Posted by ChevyMgr View Post
Dirty injector will through the same code and this TSB states to replace all injectors and reprogram ECM.

https://www.chevyhhr.net/forums/showthread.php?p=377970
Thanks! Deal with the light it is!
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Old 12-03-2010, 10:02 PM   #6
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sorry to hear that 1970judge .I hope you can get that fixed soon...
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Old 12-03-2010, 11:47 PM   #7
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I haven't noticed any lean pop under hard acceleration yet.
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Old 12-28-2010, 03:45 PM   #8
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Well it's been almost a month since this happened, and after finishing off that particular tank of gas (walmart), running some proven cleaner through it, and filling back up with shell gasoline...no code.
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Old 03-22-2011, 06:58 PM   #9
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Came back today, for the first time since December. It threw the P1174, and a misfire code on cylinder 2. Looks like injector two may be failing. It is smoking a little on cold start up as well, white smoke that smells like pure gasoline. Going through a rough couple of weeks here lately.
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Old 03-22-2011, 07:05 PM   #10
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Year, and engine would be nice to know...
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