The 1991 Isuzu Impulse has 1 NHTSA recall campaign affecting an estimated 25,059 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 28 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
THE STEERING WHEEL CENTER HUB CAN FRACTURE DURING CERTAIN FRONTAL AND NEAR FRONTAL VEHICLE COLLISIONS.
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.
A STEERING WHEEL REINFORCEMENT PLATE AND NUT WILL BE ADDED TO THE STEERING WHEEL HUB.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“I have a 1991 isuzu impulse and it's having ecu problems. My mechanic says it needs to be replaced. I see that this is a recurring problem with these cars, and it shouldn't fall on the shoulders of the consumers. *ak”
“This is a reoccurring manufacturer defect. Please issue a recall on these engine control modules. *ak”
“As the weather is getting warmer the engine revs and drops uncontrollably. The car also stalls at any speed. I have had it even stall on the highway. I hear this is a common problem on this particular type of ecm unit, please check into this for me. If I hadn't taken a defensive driving course I…”
“As the weather is getting warmer the engine revs and drops uncontrollably. The car also stalls at any speed. I have had it even stall on the highway. I hear this is a common problem on this particular type of ecm unit, please check into this for me. If I hadn't taken a defensive driving course I…”
“The defects are due to the improper manufacturing of the ecm module of this vehicle. The symptoms include an erratic idle with the idle revving up and dropping to the point where the engine dies. The idling will jump up to 2000 rpm, linger there until I blip the throttle, sometimes up to 3 or 4…”
“The car will for no reason stall, even at high speeds resulting in a loss of power steering and brakes. This is the second one that I have owned, and the other one had the same problem. I was making a left hand turn, when the call stalled, and caused a loss of steering. A pedestrian was walking on…”
“This is the 2nd impulse that I have owned, and I thought it would only happen to my first one, but this one is the same way. When it gets warm out, the engine has idling problems. Then other impulse I had (1990) did it from day 1 at 55000 miles. *ak”
“The vehicle fails to run after is warms up. I have contacted several mechanics and was told that it is a common problem. I was told that the manufacturer uses an insulating spray on the ecu that causes it to shrink and brake contacts in the unit itself. This is very dangerous in that it has left…”
There is no summary currently available
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 Isuzu Impulse as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.