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vwnewton
vwnewton, VW Owner,ASE Master and L1 Advanced
Category: VW
Satisfied Customers: 307
Experience:  25 years of VW obsession turned into a job, last 15 years as a VW Tech.
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My cel is blinking at low rpm when i increase the rpm the

Customer Question

My cel is blinking at low rpm when i increase the rpm the cel is on steady....
I first had readings of p300,p302,p301,306,308, 307, 304 (misfires)
I changed the plugs
the obd meter read p302, p306.
i switched the coils around 1 for 2 and 5 for 6
The new reading was p302 immediately when the cel started blinking-
i let the car idle a few minutes and the reading was 300,301,302, and 306
I put some fuel injector cleaner in and
drove it around a few minutes- the light blinks at low rpm stays steady at other times
the latest readings are p300,p301,p302
Submitted: 1 year ago.
Category: VW
Expert:  gomi_otaku replied 1 year ago.

misfires at idle are usually a result of an intake leak- check for any broken vacuum lines, listen in the engine bay with the engine running for any kind of hissing sound of air being sucked into the intake.

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