|Prev||Professional Automotive Repair Technical Discussions for July 20, 2014
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Open Help Requests for Chrysler
|2000 Jeep Grand Cherokee Limited 4.7L ecm pinout VIN: 1J4GW58N4Y
Lost 5 volt reference circuit believe a sensor is pulling it down . Need a ecm pinout any help would be greatly appreciated
Fixes & Summaries for Chrysler
|2007 Dodge Charger 2.7L MIL Lamp on VIN: 2B3KA43R77
Thank for all the helpful suggestions. Fuel trim is almost perfect, and fuel psi was in spec. Also freeze frame data, showed these codes set when coolant temp was at 212 degrees, so I doubt coolant issues are causing the problem. During WOT o2 voltage staye... Trouble codes: P1128 (Closed loop fueling not achieved b1), P1129 (b2).
|2004 Jeep Grand Cherokee Laredo 4.7L engine VIN: 1J4GW48N34
Hey everyone, we have a fix. A big thank you to all members who replied and offered help on this one. Let's get to the details. After posting my help request, I went back to the Jeep and had a helper rotate the engine while I inspected valve train (had valv...