Question about 2002 Chrysler PT Cruiser
The engine management light comes on to inform you that the engine is
not working correctly and it stores a fault code in the ECU with
information on what is wrong. You can only access this information via
a diagnostic device.
If the DME (engine) ECU keeps on seeing a fault on the engine operation it then goes into limp mode to protect the engine from damage (low power or stops) when you cycle the ignition it can reset the ECU and the process starts again (depending on what the fault is).
I remember something about some codes being in hex or base sixteen so did a hex to decimal conversion and got 420... Car is not strictly obd compliant as I think 03 onwards for diesel but I think the code is hex so should be p0420. If it is, cat below efficency, check what the lambda after cat is showing in live data.
I advise you to take your car to a Chrysler main dealership or specialist to have a real time diagnostic check done so a full diagnose can be given (this will have a set charge of approx 20 mins labour).
It could be a failed part on the engine system or just a software glitch that will require an ECU programme update.
Posted on Nov 18, 2009
Testimonial: "will go to chrysler thanks Drew McNeil"
You will need to recheck the code, this code is a powertrain (letter P) code but it is not a valid code, a valid code has one letter and four numbers, so a typical code would look like this, P0174, there would be no LETTER "A"
Posted on Nov 17, 2009
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Posted on Jan 02, 2017
This doesnt show up for your car and I was wondering if you could either cofirm it with him or get someone else with adifferent brand OBD 2 scanner to pull codes. Is your PT from europe?
Posted on Nov 22, 2008
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