P0261 Cylinder 1 Injector Circuit Low
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One other thing to check is the FICM fuel injector control module.
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When I looked up my codes they where P0261, P0264, P0267, P0270, P0273, P0276, P0279, P0282. Which is all 8 Injector Cirucit Low.
This wknd I reset codes, did an oil change and now she starts like crap. 10-15 sec cranking then thick black smoke and a really lumpy idle. For sure is is not running on all cyl. Couple sec of ideling and then it smoothes out and runs fine. No new codes yet after 2 days of driving just the bad starts??
Not sure what the problem is now. And untill I get a CEL with codes nothing dealer will do.
This wknd I reset codes, did an oil change and now she starts like crap. 10-15 sec cranking then thick black smoke and a really lumpy idle. For sure is is not running on all cyl. Couple sec of ideling and then it smoothes out and runs fine. No new codes yet after 2 days of driving just the bad starts??
Not sure what the problem is now. And untill I get a CEL with codes nothing dealer will do.
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#8
Update:
Checked the harness over the weekend. Applied 12 volts to injector side wires and tested on the FICM sided wires, all 4 wired checked out as working wires, unless there is other proper way to check on it. Also, it passes injector buzz test. Changed injector again just to be on the safe side, no luck.
Is there a way to check FICM without taking the truck to the dealer?
Could it be something wrong with the cylinder itself, like HG leaking or rings or something else?
Checked the harness over the weekend. Applied 12 volts to injector side wires and tested on the FICM sided wires, all 4 wired checked out as working wires, unless there is other proper way to check on it. Also, it passes injector buzz test. Changed injector again just to be on the safe side, no luck.
Is there a way to check FICM without taking the truck to the dealer?
Could it be something wrong with the cylinder itself, like HG leaking or rings or something else?
#9
any update on this? I got all the same codes plus a P0611 FICM Performance. And after i got my oil changes it started like crap for a few weeks then cleared up. that was a few months ago
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