Injector fuse blows on hard acceleration

Asked by Guru734QR Jun 22, 2020 at 09:50 PM about the 2003 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

03' JGC 4.7 H.O blowing injector fuse

5 Answers

326,225

Just a WAG but I would say you have a bad injector that is shorting out.

1 people found this helpful.

Now I have to figure out how to check them,thanks.

326,225

Scan for codes. A misfire might tell you which cylinder.

1 people found this helpful.

No misfire, hard acceleration and fuse blows code 1389 pops up new fuse in and it starts right up and runs fine only when I punch it.

326,225

https://www.engine-codes.com/p1389.html

1 people found this helpful.

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