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1999 Dodge Caravan poor manifold vacuum reading

Tiny
DSTATION
  • MEMBER
  • 1999 DODGE CARAVAN
  • 200,000 MILES
I have a 1999 Caravan with a 4 cyl automatic; it has a major hesitation/drivability problem. The compression is fine. We installed a reman ECM and had it programmed to the car. It has a new TPS. Other than the timing belt being off a tooth or two, is there any other reason for low manifold vacuum readings?
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Wednesday, August 7th, 2013 AT 5:18 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The timing belt being off a tooth or two wil bend your valves in the engine. Scan for codes and check fuel pressure first. Cleant throttle plate on both sides with choke cleaner
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Thursday, August 8th, 2013 AT 6:17 AM

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