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[Reddzeppelin]

2009 ram 1500 4x4 5.7hemi
Loosing power to cyclinder 1 under load engine light flashes ,service 4x4 light comes on ,and abs light ,traction control light comes on then they all go off and then back on
Replace coil ,spark plug ,and fuel injector
Scanner says to see dealer think it might be electrical
Any suggestions


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[grizzstang]

Without the check engine light code we would be guessing.

If I am guessing it would be a lifter ate into the cam which is becoming all too common on these engines.

 

[Reddzeppelin]

Ok truck runs great at a idle and like **** over 50
Could that be lifter


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[Reddzeppelin]

2009 ram 1500 4x4 5.7hemi
Loosing power to cyclinder 1 under load engine light flashes ,service 4x4 light comes on ,and abs light ,traction control light comes on then they all go off and then back on
Replace coil ,spark plug ,and fuel injector
Scanner says to see dealer think it might be electrical
Any suggestions


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Can someone tell me what sensors would affect
Cruise control and engine performance


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[JohnnyMac]

Just a shot in the dark, but make sure your battery and charging system are good. If the battery is weak, it can act wonky and cause your ECU to throw codes and also cause misfires at higher RPM's because it can't provide enough juice to the coils. Lower RPM's (idle) it has just enough juice to keep it running. Like I said, just an idea.