FaultScore

FaultScore report

1991 GEO Storm problems

Owners have filed 109 complaints about the 1991 GEO Storm with NHTSA between 1995 and 2014. The largest single group is the engine & cooling.

Not graded

Too few complaints, or too short a model run, to compare fairly.

How this is worked out

The numbers

109

Complaints

32

Crashes reported

1

Fires reported

16

Injuries reported

How 1991 compares with every other GEO Storm

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 1991 GEO Storm

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

6 crashes, 1 fires · median 86,000 mi

Engine & Cooling 21 19.3%

Median failure at 20,050 miles

Airbags 16 14.7%

15 crashes, 0 fires

Steering 13 11.9%

4 crashes, 0 fires

Seat Belts 6 5.5%

2 crashes, 0 fires

Other & Unspecified 3 2.8%
Seats 3 2.8%

3 crashes, 0 fires

Body & Structure 3 2.8%
Doors, Latches & Locks 2 1.8%
Fuel & Propulsion 2 1.8%

1 crashes, 0 fires

Windows, Mirrors & Wipers 1 0.9%
Suspension 1 0.9%

1 crashes, 0 fires

Exactly what failed

NHTSA files every complaint against a named sub-assembly, not just a system. This is the difference between knowing it was "the engine" and knowing which part of it — the list to hand a mechanic.

Module 13 18.3%
Frontal 13 18.3%
Cruise Control 12 16.9%
Gasoline 9 12.7%
Manifold/Header/Muffler/Tail Pipe 8 11.3%
Steering Wheel/Handle BAR 8 11.3%
Ignition 6 8.5%
TIE ROD Assembly 2 2.8%

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

Under 1,000 miles 1 33.3%
25,000 – 49,999 miles 1 33.3%
75,000 – 99,999 miles 1 33.3%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Jan 1995 peak 11 Jan 2014

NHTSA investigations into the 1991 GEO Storm

An investigation is the step before a recall: the agency has seen enough complaints to look into a pattern itself. An open one means it thinks something may be wrong and nothing has been fixed yet.

PE95035 Opened 7 Jun 1995 Closed 10 Oct 1995 STEERING

STEERING COLUMN LOOSENING

EA95014 Opened 25 Apr 1995 Closed 28 Jul 1995 SEAT BELTS:FRONT:BUCKLE ASSEMBLY

SEAT BELT BUCKLES FAILURE

Recalls on the 1991 GEO Storm

A complaint is one owner's allegation. A recall is the point at which the manufacturer or a regulator agreed the defect is real and dangerous enough to fix for free — however old the car is.

United States — NHTSA

95V103007

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.

Risk: THE SAFETY BELTS WOULD NOT PROVIDE ADEQUATE PROTECTION TO AN OCCUPANT IN A VEHICLE CRASH.

92V091001

AIR BAGS

THE STEERING WHEEL CENTER HUB CAN FRACTURE DURING CERTAIN FRONTAL AND NEAR FRONTAL VEHICLE COLLISIONS.

Risk: FRACTURING OF THE STEERING WHEEL HUB CAN DECREASE THEDRIVER'S CONTROL OF THE VEHICLE AND COULD REDUCE THE CRASH PROTECTION OF THESTEERING SYSTEM AND THE DRIVER'S SIDE AIR BAG.

Recalls cover specific build ranges, so check your own vehicle by VIN at nhtsa.gov/recalls or, in Canada, Transport Canada.

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

Rochester, WA Crash

SUSPENSION:FRONT

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

SEAT BELTS:FRONT:ANCHORAGE

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

ELECTRICAL SYSTEM:IGNITION

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Bristol, TN Crash 3 injured

ELECTRICAL SYSTEM:IGNITION:MODULE

I WAS COMING DOWN A 2 LANE AND IT JUST STOPPED AND GOT REAR ENDED WHEN IT SHUT OFF IT WAS THE ECM SHORTED BECAUSE OF SEALANT FROM FACTORY.

NHTSA complaint #757304 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 40,000 miles Greensboro, NC

ENGINE

TL* THE CONTACT OWNS A 1991 GEO STORM. THE CONTACT STATED THAT THE VEHICLE STALLED WHILE SITTING AT A TRAFFIC STOP. THE VEHICLE WAS TAKEN TO THE DEALER HOWEVER, THEY WERE UNABLE TO REPAIR THE VEHICLE. THE MANUFACTURE WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 40,000.

NHTSA complaint #10560245 — an unverified report by a vehicle owner.

at 100 miles Denver, CO

ENGINE AND ENGINE COOLING

7 MONTHS AND 5 REPLACEMENT ECUS ON MY 1991 GEO STORM GSI, AND STILL HAS DANGEROUS ISSUES OF STALLING ON HIGHWAY AND WHEN PULLING OUT INTO TRAFFIC. THE PROBLEM IS THAT BETWEEN 1985 AND 1995, AC DELCO USED A INSULATIVE SPRAY ON THE CIRCUIT BOARDS IN THESE ECUS/COMPUTERS WHICH SHRINKS OVER TIME WHEN EXPOSED TO WARM AND COOL TEMPERATURE CONDITIONS, SUCH AS THE NORMAL CONDITIONS THAT AN AUTOMOBILE IS SUBJECTED TO. THE SHRINKING INSULATIVE SPRAY CONTRACTS AND PULLS THE ELECTRONIC COMPONENTS FROM THE CIRCUIT BOARD, BREAKING SOLDER CONNECTIONS AND CAUSING SHORTS. THE SYMPTOMS OF THIS FAULT ARE MOST NOTABLY ERRATIC IDLE, IDLE REVVING AND DROPPING, IDLE DIPPING OFTEN WITH ENGINE DYING, IDLE HANGING HIGH ABOVE 2,000 RPM, AND ENGINE DYING OR STALLING FOR NO REASON WITH NO TROUBLE CODES. GM KNOWS ABOUT THIS FAULT IN THEIR AC DELCO ECUS/COMPUTERS AND HAS EVEN GONE SO FAR AS TO INCLUDE SUPPLEMENTAL INSTRUCTIONS ON HOW TO TEST FOR SHORTS AND BROKEN CIRCUITS IN THE ECU/COMPUTER TO THEIR TECHNICAL LITERATURE, THOUGH THEY REFUSE TO REPAIR OR REPLACE THE PROBLEM AT THEIR OWN EXPENSE. GM WENT FURTHER AND BEGAN USING A DIFFERENT INSULATIVE SPRAY ON ALL OF THEIR ECUS/COMPUTERS IN 1996, THOUGH THEY DO NOT USE THIS NEW SPRAY ON THEIR FACTORY RECONDITIONED ECUS/COMPUTERS FOR THE GEO STORM MODELS.

NHTSA complaint #10232601 — an unverified report by a vehicle owner.

at 86,000 miles Coopersburg, PA

ELECTRICAL SYSTEM

1992 GEO STORM MANUAL TRANSMISSION. WHEN ENGINE GETS HOT ( SUMMER MONTHS ) ENGINE IDLE INCREASES TO 2,500 - 3,500 RPM. MUST USE FOOT TO PULL UP ON ACCELARATOR. CAR BEGINS TO OVERHEAT LURCHES FORWARD. CAR ALSO STALLS WITHOUT WARNING. HEARD IT HAS TO DO WITH FAULTY ECM. VERY DANGEROUS SITUATION.

NHTSA complaint #10131943 — an unverified report by a vehicle owner.

Oxford, OH

UNKNOWN OR OTHER

THE E.C.U. IS BAD IN MY 1991 GEO STORM 2+2. IT IS A COMMON PROBLEM WITH THESE CARS AND GM WILL NOT DO ANYTHING ABOUT IT.

NHTSA complaint #10041562 — an unverified report by a vehicle owner.

Austin, MN

ENGINE AND ENGINE COOLING:ENGINE

THE VEHICLE STALLED WITHOUT WARNING. THE DEALER REPLACED THE DISTRIBUTOR CAP, SPARK PLUG WIRES AND ROTOR, HOWEVER THE PROBLEM RECURRED.

NHTSA complaint #10016050 — an unverified report by a vehicle owner.

Twin Falls, ID

VEHICLE SPEED CONTROL:LINKAGES

DURING WARM WEATHER THE VEHICLE'S THROTTLE WILL STICK AT 2000. THROUGH MY RESEARCH I HAVE FOUND THIS TO BE THE FAULT OF THE ECU. IT IS A VERY DANGEROUS THING TO HAVE YOUR THROTTLE STICK. DT

NHTSA complaint #769901 — an unverified report by a vehicle owner.

Lancaster, OH

VEHICLE SPEED CONTROL

VEHICLE WOULD INTERMITTENTLY LURCH FORWARD WHEN BRAKES WERE APPLIED. DEALER CONTACTED. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION.

NHTSA complaint #8012611 — an unverified report by a vehicle owner.

Lancaster, OH

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ONGOING PROBLEM WITH ENGINE STALLING / CUTTING OFF WHILE DRIVING AT MULTIPLE SPEED. VEHICLE BEEN TO DEALER, BUT PROBLEM REOCCURRING. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION.

NHTSA complaint #8012604 — an unverified report by a vehicle owner.

Colorado Springs, CO

ELECTRICAL SYSTEM:IGNITION:MODULE

THIS IS THE 2ND ECM CONTROL MODULE IN 2 YEARS. . .BOTH WERE NEW WITH ONLY A YEAR WARRANTY. . .PROBLEM ONLY SHOWS UP IN THE SUMMER.

NHTSA complaint #763297 — an unverified report by a vehicle owner.

Benton, MO

ELECTRICAL SYSTEM:IGNITION:MODULE

GENERAL MOTORS USED A SHRINKING SEALANT ON THE COMPUTER BOARDS IN THESE CARS WHICH THEY HAVE SINCE QUITE USING AND ADMIT IT WAS A PROBLEM, BUT STILL USE IT ON THE REPLACEMENT PARTS WHEN THIS SHRINKS IT PULLS THE COMPONENTS ON BOARD LOOSE, CAUSING POOR IDLE/ HESITATION AND STALLING EVEN DURING ACCELERATION (IE WHEN PULLING OUT IN TRAFFIC).

NHTSA complaint #758744 — an unverified report by a vehicle owner.

Rochester, WA Crash

SUSPENSION:FRONT

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

SEAT BELTS:FRONT:ANCHORAGE

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Rochester, WA Crash

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Edgewood, MD

VEHICLE SPEED CONTROL:CRUISE CONTROL

IDLE BECOMES ROUGH, BOUNCES AND DIES, FAILS TO START OR STARTS AND CHECK ENGINE LIGHT IS ON, RUNS VERY BAD. ONCE CAR SITS FOR A WHILE, STARTS TO RUN FINE, DOES IT WHEN IT IS WARM OUT.

NHTSA complaint #758574 — an unverified report by a vehicle owner.

Rochester, WA Crash

ELECTRICAL SYSTEM:IGNITION

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Winchester, KY

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ENGINE CONTROL COMPUTER IMPROPERLY BUILT CAUSING ERRACTIC IDLE FROM 2000RPM TO 500RPM, CAR STALLS AND WILL NOT START. ISUZU HAS BEEN CONTACTED ABOUT THIS AND HAS STATED"WE DO NOT MAKE CARS" AND THEY FAIL TO RECTIFY THE PROBLEM. THERE ARE VERY MANY OF US WHO WOULD LIKE TO SEE THIS ISSUE RESOLVED AS OUR CARS STALLING IN TRAFFIC AND IDLING ERRACTICALLY IS CAUSING A LOT OF PROBLEMS AS IN POOR EFFICIENCY AND UNNEEDED DOWNTIME. THE PROBLEM IS IN THE INSULATIVE SPRAY ON THE MAIN CIRCUIT BOPAR DOF THE UNITS THAT BREAKS DOWN OVER TIME DUE TO HEAT AND EXTREME(HOT OR COLD) TEMPS. GMC HAS RECOGNIZED THIS PROBLEM AND FAILS TO DO ANYTHING ABOUT IT. WE WOULD LIKE THIS ISSUE ADDRESSED AND I SPEAK FOR THE OVER 500 MEMBERS OF THE GEO STORM OWNERS CLUB, WWW.STORMOWNERS.COM.

NHTSA complaint #758573 — an unverified report by a vehicle owner.

Rochester, WA Crash

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NO SUMMARY LISTED FOR ABOVE VEHICLE.

NHTSA complaint #758572 — an unverified report by a vehicle owner.

Bristol, TN Crash 3 injured

ELECTRICAL SYSTEM:IGNITION:MODULE

I WAS COMING DOWN A 2 LANE AND IT JUST STOPPED AND GOT REAR ENDED WHEN IT SHUT OFF IT WAS THE ECM SHORTED BECAUSE OF SEALANT FROM FACTORY.

NHTSA complaint #757304 — an unverified report by a vehicle owner.

Dayton, OH Fire

ELECTRICAL SYSTEM:IGNITION:MODULE

FOR THE LAST 4YRS. I HAVE HAD TROUBLE AT START-UP,IDLE,DRIVABILITY OF THE ENGINE. ALL SENSORS RELATED TO THE IGNITION HAD BEEN CHECKED OR REPLACED. NOW ON 12/1/01 THE ALTERNATOR OVER CHARGED THE ELECTRICAL SYSTEM CAUSING A COMPLETE BURN-UP OF THE ECM,MAIN CIRCUIT PANEL AND SOME OF THE WIRING HARNESS. NEITHER THE 50AMP MAIN FUSE OR THE 30AMP ECM FUSE BLEW (LIKE THEY SHOULD HAVE) STOPPING THE 160 AMPS FROM THE ALTERNATOR.

NHTSA complaint #755386 — an unverified report by a vehicle owner.

Columbus, OH

STEERING:LINKAGES:TIE ROD ASSEMBLY

THE DATE & MILEAGE ARE ONLY FOR THE MOST RECENT OCCURENCE. IT STARTED LATE APRIL 2001 AT ABOUT 70,000 MILES; I'D BOUGHT THE CAR USED THE PREVIOUS SEPTEMBER & IT HAD DRIVEN OK THROUGHOUT THE WINTER. THE PROBLEM HAS BEEN HAPPENING OFF & ON EVER SINCE. THE CAR WILL BE GOING 55 MPH OR MORE; ABOUT 5 OR MORE MINUTES AFTER STARTUP (IT VARIES), THE RPM GAUGE/IDLE SUDDENLY DROPS TO 0, THE CAR MIGHT BUCK SLIGHTLY,THE ENGINE LIGHT COMES ON, & THE CAR STALLS. PRESSING THE GAS PEDAL HAS NO EFFECT; ALL I CAN DO IS COAST TO A STOP. SO FAR, I'VE BEEN LUCKY; I'VE BEEN ABLE TO COAST TO THE SHOULDER W/NO INCIDENT. USUALLY AFTER A COUPLE MINUTES, I CAN START THE CAR AGAIN,BUT THIS PAST SATURDAY, I WAS STRANDED FOR OVER AN HOUR BEFORE THE CAR WOULD START. THE PROBLEM HAPPENS IRREGULARLY, USUALLY WHEN IT'S WARM OUTSIDE. THE IDLE ALSO REVS ON ITS OWN; WHENEVER I TAKE MY FOOT OFF THE GAS & THE SPEED DROPS BELOW 30 MPH, IT REVS & JUMPS FORWARD UNLESS I IMMEDIATELY HIT THE BRAKES -- VERY DANGEROUS WHEN I'M HEADING TOWARDS A STOPLIGHT! THE CAR HAS HAD BOTH ITS IGNITION COIL & FUEL INJECTORS REPLACED, AND ALL BELTS ARE NEW; ALL MAINTENANCE IS KEPT UP, & THERE ARE NO OTHER PROBLEMS WITH THE CAR THAT WOULD CAUSE EITHER OF THESE ISSUES. AFTER DRIVING OUR MECHANIC & US NUTS FOR SEVERAL MONTHS, WE FINALLY FOUND OUT THAT THE PROBLEMS WERE DUE TO SHORTS CAUSED BY BAD INSULATIVE SPRAY ON THE ECU/COMPUTER CIRCUIT BOARD (THE ORIGINAL FACTORY INSTALLED UNIT), & WE ALSO FOUND OUT THAT WE WEREN'T ALONE IN HAVING THESE PROBLEMS -- THAT OTHER STORM & ISUZU OWNERS WERE HAVING THE SAME TROUBLE. THE FAULTY ECU IS WHAT GM/ISUZU REFUSE TO RECOGNIZE. ISUZU CLAIMS THE PROBLEMS ARE "NORMAL" -- I'VE YET TO DRIVE ANY CAR WHERE STALLING & DYING AT HIGH SPEED ON THE HIGHWAY IS CONSIDERED "NORMAL".

NHTSA complaint #755083 — an unverified report by a vehicle owner.

Mcalester, OK

ELECTRICAL SYSTEM:IGNITION

I SENT ONE COMPLAINT TODAY, WITH SOME ERRORS. I AM SENDING THIS COMPLAINT TO CORRECT THESE ERRORS, AND ALSO TO COMPLAIN A LITTLE MORE. I CAN BARELEY MAKE IT TO SCHOOL IN MY CAR WITHOUT WORRING IF IT IS GOING TO DIE OR NOT. SEVERAL TIMES IT HAS DIED IN THE MIDDLE OF BUSY INTERSECTIONS NOT ONLY PUTTING MYSELF IN DANGER, BUT ALSO THE OTHER MOTRISTS AROUND ME. I AM A YOUNG KID ON A TIGHT BUDGET AND WOULD LIKE TO SEE SOMETHING DONE ABOUT THIS. THANK YOU.

NHTSA complaint #753159 — an unverified report by a vehicle owner.

Middleboro, MA Crash 1 injured

SEATS:FRONT ASSEMBLY:RECLINER

HEADREST & SEATBACK FAILED ON REAR IMPACT.CAUSED ADDITIONAL INJURIES WHEN DRIVER HIT POLE&TREE

NHTSA complaint #751028 — an unverified report by a vehicle owner.

Middleboro, MA Crash 1 injured

SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

HEADREST & SEATBACK FAILED ON REAR IMPACT.CAUSED ADDITIONAL INJURIES WHEN DRIVER HIT POLE&TREE

NHTSA complaint #751028 — an unverified report by a vehicle owner.

Margate, NJ

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

CONSUMER REPLACED EXHAUST PIPE ONCE, AND CURRENTLY VEHICLE NEEDS EXHAUST PIPE REPLACED AGAIN, VEHICLE HAS HAD AN EHAUST LEAK.*AK CONSUMER HAS SINCE REPLACED EXHAUST PIPE.

NHTSA complaint #894326 — an unverified report by a vehicle owner.

Springville, UT

VEHICLE SPEED CONTROL:CRUISE CONTROL

THE SYMPTOMS OF THIS FAULT ARE MOST NOTABLY ERRATIC IDLE, IDLE REVVING AND DROPPING.

NHTSA complaint #749617 — an unverified report by a vehicle owner.