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 MANUALSFORD1999MUSTANG GT, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 53 (ENGINE CONTROLS - TROUBLE SHOOTING - NO CODES - EEC-V - DIESEL)
1999 Ford Mustang GT, 2D Convertible, Standard
Section 53 (Engine Controls - Trouble Shooting - No Codes - EEC-V - Diesel)
1999 Ford Mustang GT, 2D Convertible, StandardSECTION Section 53 (Engine Controls - Trouble Shooting - No Codes - EEC-V - Diesel)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Ford RV Cutaway, 2002 Ford Pickup, 2002 Ford F550 Super Duty, 2002 Ford F450 Super Duty, and 2002 Ford Excursion. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Symptoms
- Symptom Diagnosis
- No Crank/Slow Crank
- Stalls Or Quits On Acceleration, Cruise, Deceleration Or Idle
- No-Start/Normal Crank, Erratic Start Or Crank, Hard Start Or Long Crank Or Stalls After Start
- Engine Will Only Idle
- Fast Idle Or Slow Return To Idle
- Rough Or Rolling Idle Or Stalls When Engaging Clutch
- Runs Rough, Misses, Bucks Or Jerks, Hesitation, Stumbles, Surges (On Acceleration Or Cruise), Lack Or Loss Of Power, Or Poor Fuel Economy
- Check Engine Indicator Light Concerns
- Exhaust Smoke
- Cruise (Speed) Control Concerns
- Transmission Control Indicator Light
- Automatic Transmission Up Or Downshift, Or Engagement Concerns
- High Oil Consumption/Leaks
- Hard Start/No-Start - Dry Reservoir
- INTERMITTENTS
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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.