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Fuel systemPart report

1990 Ford Mustang Fuel system Problems

Complaints
5about this part
Share
6%of 85 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 5 complaints about the fuel system of the 1990 Ford Mustang, 6% of the 85 complaints for this model year. 2 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“A baffel internal to the fuel tank has broken off causing a loud clunking when the car hits bumps. The failure is common in this model of mustangs. I spoke with a mechanic about the problem and he said the same thing happened in his 1988 Mustang. The danger is that a loose metal object in the fuel tank could cause a spark which could explode the tank.”

NHTSA complaint #730567, filed 2000-09

“The fuel pump had a short circuit that burned the wire harness/ linkages through the electrical system, and the fuel gauge. Dealer has not been contacted.”

NHTSA complaint #846303, filed 1999-09

“Alternator failed five times, once resulting in a fire. In addition, under dash electrical wires shorted out, resulting in a fire. Also replaced fuel pump/ 2 cooling fans and throttle.”

NHTSA complaint #518809, filed 1997-09

Fuel system: other model years

YearComplaintsShare of year
202515%
202411%
2023213%
20221428%
20211527%
202087%
201884%
201762%
2016216%
2015327%
2014113%
2013114%
2012225%
2011266%
201073%
200921%
200851%
2007305%
20064410%
200510014%
200465%
200364%
200298%
20012112%
2000217%
199984%
19983013%
1997159%
1996177%
1995193%
199493%
199366%
199223%
199145%
199056%
198944%
198876%
198738%
1985319%

Other parts of the 1990 Ford Mustang

Electrical system
35 complaints
Engine cooling
10 complaints
Air bags
9 complaints
Vehicle speed control
8 complaints
Transmission and drivetrain
5 complaints
Brakes
4 complaints
Exterior lighting
4 complaints
Seats
4 complaints
Body and structure
4 complaints
Seat belts
3 complaints
Steering
3 complaints
Latches, locks and linkages
2 complaints

← All problems reported for the 1990 Ford Mustang

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology