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06 forenza crank no start


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russm
New User

Jan 13, 2017, 6:57 PM

Post #1 of 5 (704 views)
06 forenza crank no start Sign In

replaced head gasket, while waiting on head, replaced stock radio (dont know if this could have anything to do with it)
got it all back together, good compression, spark, no fuel. no voltage to pump, checked fuse, ecu relay, and main relay. tried 3 different obdii scanners, cant connect, no check engine light either. replaced ecu with junk yard unit, no change. Any suggestion?


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 13, 2017, 7:57 PM

Post #2 of 5 (694 views)
Re: 06 forenza crank no start Sign In

Do you have a volt meter and/or 12 volt test light and know how to use them?





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russm
New User

Jan 14, 2017, 6:39 AM

Post #3 of 5 (674 views)
Re: 06 forenza crank no start Sign In

Yes have meter and test light


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 14, 2017, 10:02 AM

Post #4 of 5 (659 views)
Re: 06 forenza crank no start Sign In

You stated you had no power to the fuel pump. Where did you take measurements in the fuel pump circuit to determine that?

Do you know if the fuel pump relay is being energized?

Just trying to find a starting point to begin diagnosing this.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


russm
New User

Jan 14, 2017, 11:11 AM

Post #5 of 5 (646 views)
Re: 06 forenza crank no start Sign In

#30 on relay has 12.8v the fuse for fuel pump has no voltage. This is the fuse box under hood






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