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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (ENGINE CONTROLS - TESTS W/O CODES - EEC 2.5L)
1991 Mercury Tracer Base, 4D Sedan, Automatic
Section 49 (Engine Controls - Tests W/O Codes - EEC 2.5L)
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Section 49 (Engine Controls - Tests W/O Codes - EEC 2.5L)
WARNING: This page is about a different car, the 1994 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Symptoms
- Symptom Diagnosis
- No Crank
- Hard Start/Long Crank
- Stall After Start
- No Start/Normal Crank
- Slow Return To Idle
- Idle Surge, Runs Rough Or Misses
- Fast Idle, Diesels/Runs On
- Low/Slow Idle, Stalls/Quits
- Stalls/Quits, Hesitation/Stumble
- Runs Rough/Misses
- Surges
- Backfires
- Loss Of Power
- Spark Knock
- Poor Fuel Economy
- Emissions Compliance
- Warning Indicator Lights
- High Oil Consumption
- Cooling System Runs Hot
- Cooling System Runs Cold
- Exhaust Smoke Or Smell
- Fuel Odor
- Engine Noise
- Vibration
- INTERMITTENTS
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.