Fuel fail 39. EGR circuit. Faulty system operation. Is on my 90 xj6 as well- going to take EGR valve off and clean it- see what happens.
code42
Fuel Fail 47 Idle speed contol valve - coil 2: Open or short circuit.
It is the code for the TPS Throttle position sensor
Ignition Amplifier Failure
It means either the fuel filter is clogged or the pump is about to fail.
lucians never fail
Fuel Fail 37 is either a fault with the EGR Valve or its Solenoid
FAIL mean-when you want to do something and you cant do it that mean you failed it)
39 psi +/- 539 psi +/- 5
fuel 44 is heated oxygen sencer bank A other term lambda senser the jag has two.
Means you dont succeed.