LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Plymouth
>>
1991
>>
Colt Base, Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
Engine Controls - Adjustments
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - Adjustments
Expand All (for easy ctrl-f)
Collapse All
Introduction
Engine Mechanical
Valve Clearance
Notes
Mechanical Valve Lifters
Notes
1.5L
Checking Hydraulic Valve Lifters
Except 1.5L
Ignition Timing
Notes
Ignition Timing
Idle Speed & Mixture
Notes
Curb (Slow) Idle Speed
Basic Idle Speed
Notes
Test No. 1
Test No. 2
Fixed Speed Adjusting Screw
Notes
3.0L Montero, Pickup, Ram-50, Stealth & 3000GT
All Other Models
Idle Mixture
Throttle Position Sensor (TPS)
TPS Adjustment
Notes
Test No. 1
Test No. 2
Test No. 3
Test No. 4
Test No. 5
Idle Position Switch
Notes
1.6L Mirage, 2.0L Eclipse & 2.0L Galant (DOHC)
All Other Models