The service and repair manual for the 1991 Pontiac Grand Prix — 2.3L I4 and 3.1L V6 and 3.4L V6 engines, 5 trims. Matched to this exact model year, so the specifications and sequences are the ones Pontiac published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 1991 |
|---|---|
| Engines | 2.3L I4 — DOHC 3.1L V6 — OHV 3.4L V6 — DOHC |
| Trims | LE Sedan 4-Door · SE Coupe 2-Door · STE Sedan 4-Door · SE Sedan 4-Door · GT Coupe 2-Door |
| Federal record | 6 recalls · 242 complaints · 10 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 1991 Grand Prix manual






03 / ContentsSections in the manual
- Quick Lookups 68
- Engine Performance 1,321
- Accessories & Equipment 254
- General Information 1,523
- Body & Frame 143
- Heating, Ventilation & A/C (HVAC) 202
- Brakes 249
- Maintenance 68
- Drivelines & Axles 22
- Steering 128
- Electrical 155
- Suspension 81
- Engine Mechanical 342
- Transmission 755
- Body 22
- Air Bag Module 13
- Turn Signal Switch Screw 35
- Lock Cylinder Retaining Screw 40
04 / Known issuesRecalls on federal record for the 1991 Grand Prix
- Fuel System, Gasoline · 06E043000This condition may cause an inadequate seal at the connection, potentially leading to a fuel leak. i.
- Electrical System — wiring › fuses and circuit breakers · 92V182000Loss of headlamps without prior warning reduces drivervisibility in inclement weather conditions or.
- Fuel System, Other — storage › tank assembly › pressure relief devices · 07E021000Fuel may leak, possibly resulting in a fire.
- Structure · 00V189000If both bolts pull through, the front of the cradle would no longer be supported at the mounting loc.
- Seat Belts · 92V003000The seat occupant faces increased risk of injury in theevent of a sudden stop or accident.
- Structure · 97V058000If this were to occur while the vehicle was in motion, a vehicle crash could result.
Owners have filed 242 complaints and Pontiac has issued 10 technical service bulletins for the 1991 Grand Prix. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 1991 Grand Prix manual
Is this manual specific to the 1991 Grand Prix?
Yes. It is the OEM manual matched to the 1991 model year, covering the 2.3L I4 and 3.1L V6 and 3.4L V6 across the LE Sedan 4-Door, SE Coupe 2-Door, STE Sedan 4-Door, SE Sedan 4-Door, GT Coupe 2-Door trims. Specifications and procedure sequences are the ones Pontiac published for this year.
What 1991 Grand Prix problems does it help with?
6 recalls are on federal record for the 1991 Grand Prix, covering fuel system, gasoline, electrical system, fuel system, other. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Pontiac dealers.
Does it include 1991 Grand Prix wiring diagrams?
Yes — the complete wiring diagrams for the 1991 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Grand Prix years and 1991 Pontiac models
1997 Grand Prix · 1996 Grand Prix · 1995 Grand Prix · 1994 Grand Prix · 1993 Grand Prix · 1992 Grand Prix · 1990 Grand Prix · 1989 Grand Prix · 1988 Grand Prix · 1987 Grand Prix · 1986 Grand Prix · 1985 Grand Prix · all 27 years
1991 Pontiac 6000 · 1991 Pontiac Bonneville · 1991 Pontiac Firebird · 1991 Pontiac Firefly · 1991 Pontiac Grand Am · 1991 Pontiac LeMans · 1991 Pontiac Optima · 1991 Pontiac Sunbird · 1991 Pontiac Tempest · 1991 Pontiac Trans Sport · every 1991 model