156 1.8 ts misfire - Alfa Romeo Forum
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Join Date: Apr 2010
Location: United Kingdom
County: West Sussex
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156 sportwagon

Not Happy 156 1.8 ts misfire

Having a nightmare with my 2001 156 1.8TS sportwagon. The cambelt snapped earlier in the year, after it was repaired the sensor for the radiator fan stopped working and the engine got pretty hot, a slight misfire started, the car then went back to the garage where everything was checked, the sensor had been fixed by this point but my mechanic couldn't solve the misfire, I have replaced spark plugs, coil packs and injectors. misfire is now worse than ever, fault codes come up on 2 cylinders (3 and 4). The car is undriveable and has no power. An electrician has also looked at the plug on the Ecu but can't see a problem, Please help!!
chrissyb is offline  
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Join Date: Dec 2009
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Did they reseat all of the valves when the head was overhauled ,your probably not to know if they checked by doing a vacuum test but a poorly seated valve can get worse. Also did the car smoke under heavy acceleration.If your saying its undriveable the fault should be fairly easy to detect.Have you had a sniff test done on the water for exhaust gases.Has a compression test been done although these are not 100% accurate. The thing is the head may eventually have to come off.
seymour beaver is offline  

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