Wingnuts - Alfa Romeo Forum
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Referring to my previous post regarding the engine management problem with my 2004 2.0 L selespeed sportwagon, I was driving on an 80 kph highway with the cruise control on and the engine suddenly went to idle. After pulling up, the engine would idle and restart, but still only idle. I called the road service mechanic and he connected his test equipment and found a fault code P1337. He cancelled this code and the car was then driveable again but he had no idea what initiated the fault. The next day I used this forum to identify the code. This was listed as "CMP Sensor Bank 1 short to ground". My regular expert Alfa mechanic was also unable to identify the cause of this fault from the code description but suggests it may be initiated from the Cruise Control.
My purpose of this post is to ask if anyone can advise what this code description is referring to so that I can fix it and not have to be worried about being stranded again ?
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If it is the crank sensor then a failling sensor can reduce revs, its one its modes of failure. I would have said it was the throttle pedal sensor, or one of your pedal switches playing up, or both! Being a Selespeed may have a bearing on the cars behaviour, is there any maintenance the box needs, or plugs that need electrical spray before they get corroded! A confused ECU can do strange things, has it got an update available from the dealers? Hows all the terminals near the battery? A code doesn't mean its where the fault is, I've seen too many wild goose chases. If no one knows the problem on here then next time it happens take it to an Alfa specialist pronto!
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Didn't know you could have cruise control with a Selespeed.
Good luck with problem solving.
It's very important to source a mechanic who knows them well....
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