156 JTS Motor Sensor Control Failure - Alfa Romeo Forum
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156 JTS

Help 156 JTS Motor Sensor Control Failure

I have had repeated motor sensor control warnings on my 2 year old alfa (32K). At best the engine continues to run smoothly and the warning clears itself overnight. At worst I get bad misfiring of the engine. It has just been in Westovers of Poole for about 3 wks and they struggled to come up with a definite fault that always replicates the problem. They finally put it down to dodgy contacts around the ecu (also swapped that) and gave it back to me. After about 2 weeks the warning came back on but once again cleared overnight! I have just written to alfa for any feedback and to make sure the warantee will cover this problem in its third year. Any thoughts????
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Re: 156 JTS Motor Sensor Control Failure

Coilpacks I bet. GTLeigh is having a similar issue with his JTS engined GT.
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Re: 156 JTS Motor Sensor Control Failure

hi mate i agree, the coil packs, i have experienced this twice now with the jts engine, best to change all four, £40 a piece easy to fit yourself
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Re: 156 JTS Motor Sensor Control Failure

Had it three times in my previous JTS. Fitting a new lambda sensor cured it the first time and a new coil cured the last problem (when it was misfiering very badly)
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