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Discussion Starter · #1 · (Edited)
Hi there!
I have a 2007 Nitro with the 3.7L engine and I’m having a few different problems. I’ll list them below. Any help or suggestions are appreciated.

1. Jerking when accelerating or while using cruise control. This usually happens after 45-50mph but sometimes happens at lower speeds.

2. I have ZERO fumes coming from my exhaust, however when I come to a stop and park the vehicle/shut the vehicle off, I will notice black soot on the ground under my tailpipe.

3. I have a squealing sound coming from my front end, sound like from the passenger side(possibly a hub??)

4. When in gear and not stepping on gas pedal, it will BARELY coast, if it coasts at all.

I have engine codes on including bad HO2S, random misfire, cylinder 1 misfire, and EGR valve closed.

I attached a photo of a systems check done with one of my OBD2 Scanners.

any help would be appreciated, thank you.
 

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