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Sputtering VW van

Tiny
WILDFIREDUDE
  • MEMBER
  • 1985 VOLKSWAGEN VAN
  • 4 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
1985 1.9L VW van, starts/idles OK, sputters when accelerating through 2600 RPM then fine 3000 and above. Just replaced fuel pump, filter a little while ago.?
Friday, November 19th, 2010 AT 9:41 PM

7 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Maybe weak coil output. Does van engine have LAMDA fuel injection?
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Friday, November 19th, 2010 AT 9:45 PM
Tiny
WILDFIREDUDER
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  • 4 POSTS
Dont know, how do I check? Thought there was a carb on there, limited knowledge on car workings.
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Saturday, November 20th, 2010 AT 12:38 AM
Tiny
DOCFIXIT
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Pull coil wire hold 1/4 in. From block have assistent crank spark should crack and be blue/white. Should be fuel injected. Provind all info or numbers on engine
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Monday, November 22nd, 2010 AT 2:20 PM
Tiny
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  • 4 POSTS
Another symptom--doesn't always go back to 900 rpm idle, sometimes stays at 2000, thinking gunk in jet carb or injectors? Will do coil check soon. Thanks
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Friday, December 3rd, 2010 AT 7:34 PM
Tiny
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  • 4 POSTS
Finally got around to the van with a little good weather--coil spark fine, did find vacuum leak, fixed, solved the sluggishness. Engine still accelerates/decelerated continuously when warm and at idle--any ideas?
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Sunday, January 30th, 2011 AT 2:55 PM
Tiny
WILDFIREDUDER
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  • 4 POSTS
Any idea on why the van RPMs fluctuate up and down continuously when engine warm and at idle? Thinking idle control ____?
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Friday, February 11th, 2011 AT 6:39 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Idle stop screw been moved? Check resistence at air flow meter see diagram. Measure resistence from pin 6 to 9 should be 560 ohms next measure across pins 7-9 move aie flap does resistence go up and down?
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Friday, February 11th, 2011 AT 9:49 PM

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