Replaced heater core (A/C) door handles on driver and passenger door separated from inside door panel. Hesitation on start, and throughout driving range, seems indicative of fuel line, carb, or something internal. In the dealers shop as I type. Would turn over, but would not start, again seems like a fuel or carb issue. Don't know for sure though. Paint has been peeling for about a year now. It is a red, going to grey. Steering issues; steering column separated from housing, basically it was slowly unscrewing itself. Currently in shop, ignition wouldn't turn to off position.
The worst 1990 GMC Jimmy problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Brakes5
- Body2
- Seats2
- Electrical1
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Brakes5
- Body2
- Seats2
- Electrical1
- Engine1
- Fuel system1
- Steering1
Recalls
No recalls on record for this model year.
Defect investigations
Engine compartment fires
An alleged malfunction in the atlernator resulting in engine compartmet fires.
EA94029
High idle flare
There is no summary currently available
EA92015
High idle flare
There is no summary currently available
PE92001
Headlight switch failure
There is no summary currently available
PE91057
Technical service bulletins for the 1990 GMC Jimmy 5
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
1990 GMC Jimmy fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 4.3L 6‑cyl | RWD | 15-16 | 22 | 18 |
| 4.3L 6‑cyl | 4WD | 15 | 18-20 | 16-17 |
| 6.2L 8‑cyl Diesel | 4WD | 15 | 20 | 17 |
| 5.7L 8‑cyl | 4WD | 11 | 13-15 | 12-13 |
What 1990 GMC Jimmy owners say
Most recent owner complaints, unedited.
While driving smoke came from under the hood. After stopping and opening the hood owner discovered engine fire. Dealer has not seen vehicle.
While driving at about 65 MPH and applying brakes, consumer tried to come to a complete stop and vehicle would not stop.
Brakes: driving down a mountain area, and applied the brakes, couldn't get enough braking power to slow the vehicle down, and the brake pedal went completely to the floor. Vehicle would not stop an ran into a hillside before getting it to stop.
Upon application on wet/dry surfaces brakes give falsesince of stopping. Please describe details.
Owner has ABS brakes,she states while driving at 60mph on the highway when she went to use brakes and they locked up, owner also notes the brake pedal went to the floor.
The fuel tank shield/protector were replaced due to contamination that resulted in leakage.
Consumer was rearended and the front seat recliner fell backward and the ashtray came apart and hit the passenger's side in the face . Please describe .
While making short stop, driver fell forward/backward, whole seat back broke off completely, pins that hold seat to base sheared off, speed 35 MPH.
Poor performance of ABS brakes. Tt
Compare the 1990 GMC Jimmy
Other model years
Questions about the 1990 GMC Jimmy
Is the 1990 GMC Jimmy reliable?
Owners have filed 11 complaints about the 1990 GMC Jimmy, 5.5 times a typical Jimmy model year.
What is the most common problem with the 1990 GMC Jimmy?
Brakes, with 5 complaints. Next is body (2).
How many recalls does the 1990 GMC Jimmy have?
No recalls on record.
What year does the GMC Jimmy have bad brakes?
The GMC Jimmy model years with the most brakes complaints are 1994 (263 complaints), 1995 (243 complaints) and 1996 (183 complaints).
What gas mileage does the 1990 GMC Jimmy get?
Official estimates for the 1990 GMC Jimmy range from 12 to 18 mpg combined. The most efficient version (4.3L 6-cyl, RWD) gets 15-16 city and 22 highway.
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