Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1991LASER L4-1997CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSSPECIFICATIONSELECTRICAL SPECIFICATIONS
1991 Plymouth Laser L4-1997cc 2.0L DOHC
Electrical Specifications
1991 Plymouth Laser L4-1997cc 2.0L DOHCSECTION Electrical Specifications
IGNITION TIMING
Basic
Ignition Timing Connector grounded 5°+/-2° BTDC @ Curb Idle
Actual
Ignition Timing Connector ungrounded 8° BTDC @ Curb Idle
The ECU may further advance the actual ignition timing at high altitudes.
RESISTANCE VALUES
EGR Control Solenoid Valve 36-44 ohms
EGR Temperature Sensor
At 50°C (122°F) 60-83 K ohms
At 100°C (212°F) 11-14 K ohms
Oxygen Sensor
Below 20°C (68°F) Approx. 15 ohms
Above 400°C (752°F) 30 ohms or more
Purge Control Solenoid Valve 36-44 ohms
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.