Subaru makes a "pop" knocking sound when accelerating, ONLY from first gear, not from 2nd or 3rd.

Tiny
DANTE1358
  • 1993 SUBARU LEGACY
  • 220,000 MILES

Basically that's it. When I accelerate from 1st gear, with the gas pedal pressed more then half way down, the car makes a load knock or "pop" sound, for split second, then takes off. It seems to sputter, then be fine. Only happens with first gear. Wondering if its the injectors, like a misfire, or if it's something totally different.

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Wednesday, March 28th, 2012 AT 4:11 AM

1 Reply

Tiny
KHLOW2008
  • EXPERT
  • 42,001 POSTS

Intermittent misfires are mostly due to loose connections and usually are spark plug related.

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Wednesday, March 28th, 2012 AT 1:05 PM

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