'87 924s cuts out occasionally

Tiny
BILLOZTEXAS
  • MEMBER
  • 1987 PORSCHE
1987 Porsche 9294s, 91,000 5 speed, in otherwise excellent condition. Problem has occurred four times in last 1000 miles. Engine cuts out in the same exact circumstance: under acceleration, after shifting to 4 th gear, under normal load and acceleration, at about 2800 rpm. After gliding to a stop, car restarts in one or two tries. Has not cut out under any other condition. Cut out is instantaneous, and complete--no sputter, hickup, balk or anything. Any ideas?
Monday, December 4th, 2006 AT 7:02 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Wow, thats a good one. If it only does it in 4th gear, then take someone with you on a test drive. When the car dies, roll to a stop and immediately check for fuel and spark. We need to find out which it is.
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Tuesday, December 5th, 2006 AT 7:27 AM
Tiny
BILLOZTEXAS
  • MEMBER
  • 2 POSTS
Have done as suggested, when it cut out the last time. Had both fuel and spark, and engine restarted immediately. This is the same as other 3 times. Looked for loose ground, but found nothing with my limited abilities. Wonder if switching the fuel filter might be a good "shot in the dark" solution?
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Tuesday, December 5th, 2006 AT 10:55 PM

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