Are you sure its code 84? If so, you may have a malfunctioning ECM (engine computer)
12 is battery disconnencted recently 21 is oxygen sensor stays at center. 55 is end of message.
Oxygen Sensor issue. Copy and paste the URL into your browser for a full description. http://minimopar.knizefamily.net/fault/code52.html
Injector driver open or short.
Code 24 throttle position sensor voltage low or throttle position sensor voltage high.
55 Means End of Code... Its nothing to worry about. Just means there is no codes
No signal from crank position sensor during engine cranking.
CODE 27 One of the injector control circuit output drivers does not respond properly to the control signal.Check the circuits.
what does the code PO222 on a dodge 5.9 mean
According to Haynes Repair Manual for 1987 to 1996 Dakotas, fault code 14 means: MAP (Manifold Absolute Pressure) sensor electrical circuit.
What mean the code troble 1476.8 VW jetta 1994 engine 2.0
code 144
What does code 32 mean on Dodge Ram 1500 ,5.9 engine