Operation CHARM
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Geo Truck
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1995
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Tracker 4x4 L4-1.6L SOHC VIN U TBI
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Downshift After Full Throttle Upshift & Releasing Accelerator
Downshift After Full Throttle Upshift & Releasing Accelerator
1.
Detent valve stuck in open position.
2.
Detent cable stuck.
3.
Clogged or leaking vacuum modulator line.