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what is fault code p0340 and fault cose p1312 mean?
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asked
Aug 29, 2018
by
anonymous
car hesitates and stumbles during acceleration, also lacks power. after driving approximately 10 miles car goes into limp home mode. have replaced spark plugs and coils at least five times(ngk plugs and aftermarket and oem coils) nothing has helped.
Vehicle:
2003 saab 9-3 linear 2.0 litre engine
codes-p0340-p1312-throttle-in-limp-home-mode
misfires-during-acceleration
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Sep 21, 2018
by
Carguy1
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Hi there,
Code P0340 is for a cam sensor issue. This could be a timing belt issue or the sensor itself has failed. If it jumped time you would have poor running quality and new plugs and coils isn't going to help it.
P1312 could also indicate a timing issue. This code basically means there is combustion happening on more then one cylinder at the same time and the cam is out of syncronization.
I would check the timing belt on this
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