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1994 Chevrolet Other G20 dayvan.

Tiny
PAULGREEN
  • MEMBER
  • 1994 CHEVROLET
  • 4.3L
  • V6
  • RWD
  • AUTOMATIC
  • 120,000 MILES
Hi I seem to be having a popping sound then followed by a loss of power to my van. It seems to come from under my footwell left hand drive this is immediately followed by loss of power as if the van is going to stall. When I turn the engine off and leave for around 5 mins and start up again seems to be ok at around 50 mph. Any ideas thanks.
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Monday, December 23rd, 2013 AT 3:06 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have a pro checkthis it may be a worn camshaft or a rocker arm that is loose causing the popping noise.
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Monday, December 23rd, 2013 AT 3:15 PM
Tiny
PAULGREEN
  • MEMBER
  • 3 POSTS
Would this cause the drop in power to the van cheers.
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Monday, December 23rd, 2013 AT 3:19 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Of course because you would lose compression in that cylinder or a misfire.
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Monday, December 23rd, 2013 AT 3:20 PM
Tiny
PAULGREEN
  • MEMBER
  • 3 POSTS
Thanks for your help.
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Monday, December 23rd, 2013 AT 3:26 PM

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