CEL: MAF and P0300 (missfiring) but car runs smooth
09-24-2018, 06:05 PM
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CEL: MAF and P0300 (missfiring) but car runs smooth
Vehicle: 2004, A4 Quattro, ultraSport, 3.0, V6, 6-speed manual, 170Kmiles
I am getting two error codes: P0102, P0300. I have changed the plugs and coils. Car runs smoothly.
Seems to me that the "Mass air flow low input" might be causing the 0300 error. I have checked the other posts
regarding such errors and suggestions include:
****check vacuum leaks (have not yet done)
****ignition coil ( all 6 have just been replaced)
****spark plugs (just replaced all 6)
****clean the MAF sensor (did clean it with isopropyl alcohol)
Wondering what else, and in what order I should do these. Does it take special equipment to do check for vacuum leaks?
Thanks.
I am getting two error codes: P0102, P0300. I have changed the plugs and coils. Car runs smoothly.
Seems to me that the "Mass air flow low input" might be causing the 0300 error. I have checked the other posts
regarding such errors and suggestions include:
****check vacuum leaks (have not yet done)
****ignition coil ( all 6 have just been replaced)
****spark plugs (just replaced all 6)
****clean the MAF sensor (did clean it with isopropyl alcohol)
Wondering what else, and in what order I should do these. Does it take special equipment to do check for vacuum leaks?
Thanks.
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