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1999 Chevy Venture Hesitates on gear shift

Tiny
MBENDER
  • MEMBER
  • 1999 CHEVROLET VENTURE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 202,000 MILES
Our 1999 Chev Venture has 202,000 km. It hesitates or double-clutches (and sometimes stalls) on the gear shift points (e.G. At 50kph, 70kph). It seems to happen when the vehicle is loaded with passengers or other gear, and also if we try to accelerate faster. Being loaded and stepping on the gas will definitely trigger a hiccup.
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Monday, May 12th, 2008 AT 3:23 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Has it ever been serviced? Could be a slightly plugged filter or dirty fluid. Has the check engine light come on before when the trans is acting up? If so have the PCM scanned for trans codes to see if it has a shift solenoid that is sticking or has high resistance
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Monday, May 12th, 2008 AT 4:41 PM
Tiny
MBENDER
  • MEMBER
  • 3 POSTS
It turns out that the mass air flow sensor was clogged. The car now runs fine!
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Wednesday, May 21st, 2008 AT 10:42 PM

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