Fuelfail37 is a egr problem it should not be there on your aj6 engined car has its not got a egr valve? on a uk spec it has not got one. car in the us spec it may have one in which case its siezed/stuck or the solenoid or wiring to it is at fault.try and clear it by disconnecting the battery for a few minutes then reconnect
SOURCE: 1992 XJ6 fuel fail code 22
FF22 is Fuel Pump Drive failure
ECU looks for sognal to the fuel pump relay.
found in jaguar-forum:
"I'm 99% sure that you have a bad fuel pump connector sending a high
resistance fault to the CPU. Check your fuel pump connector at the
pump. There is a very short harness in the trunk behind the spare tire
and the panel behind it. I think the wires are red and blue? Anyway,
the tough part is where they tend to go bad is actually at the pump in
the top of the tank. You will not be able to get to it unless you have
very small hands. You can get to it easier by dropping the tank a
little, you probably won't have to remove the lines, just the tank
straps. I have seen this connector overheat and burn. Try and clean it
up and apply white grease to it.
If you start to have stalling problems in the future, strongly suspect
this. Jumping the fuel relay gave me a little extra juice to the pump
so I could move the car."
SOURCE: what does the check engine light vcm code
this has to do with the engines ability to warm up and meter the fuel. either the thermostat is sticking or the coolant temp sensor is out of range. there are 2 of them at least, one for the guage and one for the pcm. if you find it is the t-stat sticking, replace with jaguar parts.
SOURCE: what does fault code P0001 mean 95 xj6 jag
What does the code Pro 1 mean on a 1995 jaguar XJ6
SOURCE: What does it mean:Fuel 44 Fail in the VCM in a
XJ 6 1991 has fuel code 44 set and car will not start. A couole of time before in the morning you start vehicle and it will not take gas ans runs poorly clears up after a couple of sconds but has slight hestitation on taking off from lights
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