1991 Isuzu Impulse problems

Filed Apr 19, 2004 · Electrical · FL

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.

Filed Jun 28, 2002 · Acceleration · MN

Car races engine badly in the summer when temp over 80 degrees-wont idle.

Filed Jan 31, 2002 · Electrical · IL

The consumer stated that the vehicle is experiencing the same idle control problems as stated in previous recall regarding the electronic control unit.

Filed Dec 26, 2001 · Acceleration · OK

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. These symptoms will often only occur in warmer weather as the metal circuits of the circuit board seem most vulnerable to short circuits at solder cracks when the temperature within the car is above 80 degrees fahrenheit. In temperate climates, the symptoms may first show themselves as soon as the weather warms and plague the owner all summer long, only to subside in the fall with the cooler weather and then reappear the next spring.

Filed Oct 9, 2001 · Engine · MS

This is a reoccurring manufacturer defect. Please issue a recall on these engine control modules.

Filed Jul 4, 2001 · Acceleration, Electrical · NY

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 could be dead right now.

Filed Jun 28, 2001 · Electrical · CA

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 times. On one occasion, while driving on the freeway at 65mph, the engine began to stall with the idling moving erratically, and then suddenly the car went completely dead in the middle of the freeway. Luckily, I managed to coast off to the shoulder where I remained stranded for over four hours. When diagnosed by the dealer, there are no trouble codes present. It was suggested to me to replace the ignition module, plugs, wires, coil packs, cam angle sensor, and various other components due to the reason that they were the ones causing the problem. Obviously, the problem was not fixed and my wallet was lightened by about $500. The dealer stated that this is "normal" for this to happen. I don't see anything "normal" about having you car completely go dead on you on the freeway. I need to get this defect fixed because this puts the driver in an extremely unsafe situation. With the freeways being as dangerous as they are, the less things you have to worry about, the better attention you will be able to pay to the road ahead of you. Thankyou for your time. I really hope you can help me.

Filed Sep 21, 2000 · Engine · IL · crash

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 the street corner, when my car smashed against the curb, just barely missing him. It's really scary when this happens on the highway. I was told that the ecu is defective in every impulse/storm ever made. Why wasn't there ever a recall? Are we waiting for somebody to be killed first?

Filed Jul 30, 2000 · Electrical · GA

When car warms up you cant drive or it will stall. Once warmed up it will not start. I saw an article on the isuzuperformance web site that said other vehicles have this problem. It also stated the reason for this problem is a faulty ecu computer made and installed by AC delco. I wish I would have had this information before I went out a bought parts to try to fix the problem myself. If its the computer, there is nothing I can do about that on my own. A response on this issue would be greatly appreciated. Thank you.

Filed Jun 14, 2000 · TX

No summary listed for above vehicle.