Fuel issue

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May 27, 2017 | 04:24 PM

Keck

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Joined: Nov 2014

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From: Listowel Ontario

Fuel issue

Hey guys looking for some help. I've changed the fuel pump and have good pressure to the fuel rails. Car turns over but won't start. Pulled a spark plug and she's dry as a fart. Checked all fues's and they are all good and power to all. Any suggestions?

May 27, 2017 | 04:54 PM

RWDsmoke

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Joined: Jan 2005

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From: San Antonio Tx

Check for spark at the plugs. Injectors will not pulse without ignition.

May 28, 2017 | 08:24 AM

Keck

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Joined: Nov 2014

Posts: 48

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From: Listowel Ontario

Thanks. She's running now. Not sure what the issue was. Have the c4 surge at idle but should be able to get rid of that.

May 28, 2017 | 09:26 AM

mlm0

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Joined: Dec 2012

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From: Georgetown TX

Quote:

Originally Posted by Keck

Thanks. She's running now. Not sure what the issue was. Have the c4 surge at idle but should be able to get rid of that.

how do you get rid of it? Is that common problem on C4's?

May 28, 2017 | 11:44 AM

pcolt94

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Joined: Jan 2006

Posts: 5,620

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From: Orlando FL

Quote:

Originally Posted by Keck

Thanks. She's running now. Not sure what the issue was. Have the c4 surge at idle but should be able to get rid of that.

When starting a thread, you really need to state what year it is. Ignition systems, fuel and electrical configuration varies greatly across the C4 line of cars. Your answers won't be accurate without knowing the year.

If I had to make a guess on your surging problem for your 85, they are known to have bad fuel injectors. Those injectors from those years gave runability problems. New injectors usually make those cars run like new from what I hear.

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