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Discussion Starter #1
She ran perfectly fine in the morning. I went home for lunch. Finished lunch break tryna go back to work and I cranked the exhaust sounded way deeper. I tried to move and got bit of a sluggish movement. It runs now but it still has the deep exhaust sound with a bit of a flutter(like a mustang on steroids) with a slug sorta like its not exhaling good. I'm jus wondering if the sensor being bad or off a tooth would cause it to do that or is my cat bad and its not giving a code? ty
 

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MK4 & MK5 Owner
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8,443 Posts
what engine?
p1340 is the camshaft sensor code for out of sequence camshaft. depending on what engine, the t-belt could have slipped or jumped a tooth, or if a vr it could be a timing chain issue. i would check your timing marks and make sure they all line up.
the other code can be o2 sensor related or the maf sensor. try unplugging it and see if it runs better.
 
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