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Rooky 07-28-2012 10:36 PM

05 gc 5.7 hard to start
First post here but i just picked up an 05 GC with the 5.7 in it. I've noticed a slight hesitation or shudder when going up a slight incline at around 50-60km/h. It has 160k on it and it also is hard to start. It will start up fine if i turn on ignition for a few seconds before cranking it over. What should i be looking for to help solve this issue?

Madanio24 07-29-2012 08:22 PM

Re: 05 gc 5.7
I have a shuddering issue around those speeds as well. I havent been able to resolve it.

Rooky 07-30-2012 04:06 AM

Re: 05 gc 5.7
What have you tried so far to resolve it?

Rooky 07-30-2012 08:12 AM

Re: 05 gc 5.7
Mine goes into the dealership tomorrow morning. Check engine light came on this morning. Glad I'm not paying the bill :)

Madanio24 07-30-2012 11:16 AM

Re: 05 gc 5.7
I have a thread with in the troubleshooting area.

Rooky 07-30-2012 09:14 PM

Re: 05 gc 5.7
Mine threw a p0301 code this morning.

Madanio24 07-31-2012 10:19 AM

Re: 05 gc 5.7
In the past mine has thrown that same code

Rooky 07-31-2012 02:22 PM

Re: 05 gc 5.7
Figures the light went off this morning, getting a new injector put in cylinder 1 tomorrow. I will let you know how that goes.

Madanio24 07-31-2012 06:31 PM

Re: 05 gc 5.7
I installed one already, didnt help.

Rooky 07-31-2012 09:59 PM

Re: 05 gc 5.7
I just hope the dipchit gets the right cylinder, which one is #1?

tom58 08-01-2012 12:11 AM

Re: 05 gc 5.7

Rooky 08-01-2012 08:10 AM

Re: 05 gc 5.7
I looked all over for a pic like that. Thanks, looks like he should get the right one. Also got a p0441 code. It's gone for the smoke test and will get a new injector as well. My fingers are crossed.

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