Driving the 03 X-type today going down the road @ 50 and the engine died. Tried to restart to no avail. (The car did it last year as well once and the year before, once.) As I was sitting, attempting to start the car a guy pulled over and asked what the problem was. He had a can of starting fluid and we shot a little down the intake. Car started right up and then died. So it's a fuel related issue. After 15 minutes the car started right up and I drove it home, no problems. Car had 1/2 tank of fuel. Car has 65,000 miles on it and is garage kept.

When I got home I used a scanner and got the code P1111. Above the code it said:

" Intake Air Temperature Sensor"

"Circuit Intermittent high voltage".

So I'm assuming the IAT Sensor is bad?

Thanks, Chris

 

Search forum and see P1 codes are NON-generic. You have the wrong meaning, one for a very different car.

P1111 is a pending code saying all is well.

Your fault is something the car isn't sure about such as a failing fuel pump or blocked fuel filter.

BTW one member had the car cut out due to a knee knocking the key!

 

Jag V8 thanks. I found this:

Jaguar X Type Information:- Petrol Engine MAF Sensor

 

This is from JTIS for the X Type

 

The computer is showing the AITS though, nothing else:

" Intake Air Temperature Sensor"

"Circuit Intermittent high voltage".

 

Did you check for fuel pressure at the Schrader valve on the injector rail? If so, what is the pressure when the ignition is turned to the start and run positions?

 

No it isn't. I already pointed out that is the WRONG meaning for the code.

 

It's wrong. Simple.

 

The computer reads the code P1111 and then asks which make of vehicle. When I type in "Jaguar" then it pops up with:


" Intake Air Temperature Sensor"

"Circuit Intermittent high voltage".

So you believe it's still wrong? If so maybe I won't replace the AIT, I'll drop it off at the dealer.

 

Are you sure the code isn't P0111 instead of P1111? P0111 could have something to do with the IAT. If it is P1111 that means all the systems that are monitored met their drive cycle criteria. In other words, everything is just fine. Did your check engine light ever go on? If it was P0111 unless it occurred on two consecutive trips the check engine light would not come on. If it was an intermittent issue it would be P1000 until all the drive cycles were met and then P1111 would come up. Do you have any stored codes? If so, clear them out and see if anything comes back.

Here is a link to all the DTC codes for the X-Type: http://jagrepair.com/DTCforms/X400_0..._OBD_II_R4.pdf

 

I will re-check. The Jag dealer said the car will drive OK with a faulty AIT so Jag V8 may have just saved me some money. Thanks for the link. I don't get an engine light except when the engine quits. It just won't start. No fuel because when we shot starter fluid in the car it started right up. May be a bad fuel pump or bad fuel filter. I'll search and see if I can find where the fuel filter is, I'll change it then see if I can figure out if there is another issue.

 

Higher up the thread is a PAGE from the JAGUAR manual SHOWING the meaning.

You have the WRONG MEANING - how many times does this need saying?????

NEVER EVER TRUST THAT THING YOU ARE USING!!

 

The Jag was at the dealer and there was a code and it was for the AITS just as I thought. They reset, erased it.

You were wrong.

 

But..did you/dealer fix the cause of the problem?

 

The dealer believes it was triggered when the water pump was replaced or a loose connection. The stalling issue they could not replicate but they believe it is a bad fuel pump. So we will replace it. In fairness to Jag V8 the AIT did not cause the stalling issue.