#1
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2001 frontier, no injector pulse
Dealer is saying that the ecm is bad.
I have a couple questions: Does this truck have a security system to disable injector pulse? Should I check for cam sensor output with an oscilloscope? Truck is not setting any codes. I did the dummy quick check and plugged in a used ecm and nothing changed. Truck has fuel pressure and spark, it runs if i spray it with carb clean. Thanks for any info |
#2
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I checked the cam sensor with a scope.
I get signals from both the 1 and 120 degree outputs. Seems to be working fine. |
#3
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I guess the dealer was pissed or mis-diagnosed the truck.
They pulled the 7.5 amp starter signal fuse It kills the injector pulse |
Tags |
2001, frontier, injector, pulse |
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