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Discussion Starter · #1 ·
2001 grand cherokee 4.0 misses and runs really rough once warm runs great until it hits closed loop just replaced all 4 o2 sensors. runs exact same and still has 1 o2 sensor code 0136 bank 1 sensor 2 circuit. Also has some trans codes but assuming theyre unrelated. has a 1495 evap leak detection pump solenoid circuit could it be the cause of the missing or what else should i check?
 
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