The "service engine soon" signal light indicates something is wrong with the transmission that requires a service costing at least $1000 to repair. Without the repair the transmission is susceptible to irratical operation includes stalling in traffic.

- Shasta Lake, CA, USA

The contact owns a 2001 Chevrolet Silverado. The contact stated that the vehicle stalled without warning while driving 40 mph. The contact was able to move the vehicle off the roadway despite the lack of steering capabilities. The contact was able to restart the vehicle after several minutes. The contact took the vehicle to the dealer where he was advised that the vehicle was not included in NHTSA campaign id number: 07V521000 (engine and engine cooling). The vehicle was not repaired and the failure persisted. The failure mileage was 47,800.

- Martinsville, IN, USA

The contact owns a 2001 Chevrolet Silverado. While driving approximately 25 mph, the vehicle stalled. The engine warning light illuminated on the instrument panel. The contact was able to restart the vehicle. The vehicle was taken to the dealer for diagnostic. The technician stated that the crank shaft position sensor would have to be replaced. There was a recall under NHTSA campaign id number: 07V521000 (engine and engine cooling) that may have been related to the failure. The manufacturer was made aware of the failure and stated that the VIN was not included in the recall. The vehicle was not repaired. The approximate failure mileage was 30,000.

- Huntingtong Beach, CA, USA

The contact owns a 2001 Chevrolet Silverado. The contact stated that the vehicle was repaired under the NHTSA recall 07V521000 (engine and engine cooling) at 80,000 miles. The failure had since recurred. The contact stated that the crankshaft position sensor light was illuminating on the instrument panel. An authorized dealer was notified and stated that they would not repair the vehicle a second time free of charge. The failure mileage was 101,000.

- Ortonville, MI, USA

The crankshaft sensor is failing and there was a recall # 07V521000 to replace the sensor by Chevrolet and now with only 64,000 mi they do not want to replace.

- Santa Cruz, CA, USA

Fax fwd ltr fm (mo) re 2001 Chevrolet Silverado pickup truck uncontrolled engine failure, constituent's vehicle VIN was not included in recall notice but consumer experienced similar recall issues, reply to Kansas City, mo ofc. The consumer stated in the summer of 2008 while driving, the vehicle suddenly stalled. He was able to get the vehicle to the side of the road and eventually it started again. There were no more problems until April 2009. The consumer was driving home from work, when suddenly the vehicle stalled again. Finally, a minute later the vehicle started again. The consumer took the vehicle to aamoco and upon diagnosis, the consumer was instructed to take the vehicle to a Chevrolet dealer, because a code displayed, which directed them to a safety recall. The recall was in reference to a crankshaft position sensor that could intermittently, or fail completely. The consumer went to the dealer and explained the situation. The dealer did in fact agree the problem was a defective crankshaft position sensor, but Chevrolet refused to pay for the repairs, because his VIN was not included in the recall. Updated 10/06/10.

- Florissant, MO, USA

The contact owns a 2001 Chevrolet Silverado. In 2006, the crankshaft position sensor was replaced at the contact's expense because the engine would repeatedly stall. Three years later, he noticed that the engine warning light would illuminate sporadically on the instrument panel accompanied by rough idling. The dealer stated that the vehicle was not included in NHTSA campaign id number 07V521000 (engine and engine cooling); therefore, they would not assume responsibility for any repairs. The failure mileage was 20,000 and current mileage was 55,000.

- North Tonawanda, NY, USA

The contact owns a 2001 Chevrolet Silverado. The contact stated that the engine stalls sporadically without warning. He is typically able to restart the vehicle after the failure. The manufacturer stated that the VIN was excluded from NHTSA campaign id number 07V521000 (engine and engine cooling); therefore, they would not assume financial responsibility for any repairs. The dealer repaired the vehicle at the cost of $323.22. The failure and current mileages were 107,000.

- Florissant, MO, USA

Referring NHTSA 07V521000 covering 2001 Silverado pickups with 8.1 engine. The original recall on crankshaft position sensor but has failed. Chevy won't honor recall as expected. This needs to be expanded. Very serious! my truck engine shut off on the highway leaving very little if any control; power steering and brakes limited.

- Middletown, MD, USA

The contact owns a 2001 Chevrolet Silverado. While driving 60 mph, the vehicle shut off without warning. The vehicle restarted automatically after several seconds. The failure began approximately in August of 2007 and has occurred numerous times since. The number of failures increase as the weather gets colder. Chevrolet stated that the vehicle was not included in NHTSA campaign id number 07V521000 (engine and engine cooling). The current and failure mileages were 80,000.

- Troy, MO, USA

- the contact owns a 2001 Silverado pickup. The contact stated that every 2000 to 3000 miles while driving at 50 mph the engine would lose power momentarily, and then start back up. The contact would sometimes have to pull over on the road and restart the vehicle. The failure became more and more frequent. He took the vehicle to three or four different dealers, and they could not duplicate or diagnose the failure. The contact determined that the failure was due to the ignition and had it repaired, after being told he would be reimbursed the contact has not received the reimbursement. Also the brake light and ABS lights turn on intermittently when driving without applying the brakes. This failure had occurred ten times. The transmission, fuel gauge sending unit, the right power window all had to be replaced. The engine light illuminated. Updated 03/07/07.

- Ashland, MO, USA

While driving check engine and the battery light appeared on the dashboard and remained on. Then, vehicle stalled. Consumer tried to restart vehicle, but a mile down the highway, vehicle stalled for the second time. Consumer had the vehicle towed to the dealer for inspection, but mechanic could not duplicate the problem.

- South Lyon, MI, USA

While driving vehicle stalled. This occurred because the motor came apartment. The crank shaft and piston broke and spun the bearings. The damaged parts were repaired, but the failure recurred twice. Prior to stalling there was an ongoing noise in the engine that sounded like rods knocking. Dealership indicated that this was a common piston slap noise for this size engine.

- Indianapolis, IN, USA

While starting up the vehicle a loud taping noise was heard from the front. When driving the noise got louder while accelerating. Consumer drove the vehicle to the dealer, and mechanic could not duplicate the problem. Consumer informed the mechanic that this problem occurred on numerous occasions, and had not been resolved.

- Phoenix, AZ, USA

When warming up the engine in the mornings a loud knocking noise was heard.

- Dallas, TX, USA

After driving the truck about an hour, the air conditioner quits putting out cold air. The blower still works but the cab gets warmer and warmer.

- Murrells Inlet, SC, USA

Brakes-would not stop truck from the day I took delivery. Airconditioner developed a terrible oder after runing about half hour.

- Ottsville, PA, USA

While traveling at normal speed heard a noise, and suddenly the rear of the truck dropped. Dealer stated that left rear axle housing cracked in half. Consumer experienced numerous problems and manufacturing defects including weak welding resulted in recurrent loosening of both bedsides, metal fatigue resulting in the shearing of axle housing, and general malfunction of factory assembled components resulting in misalignment of the bed of the vehicle and malfunction of the tailgate. Also, vehicle seemed to loose power and road stability when turning right at low speed. Due to the problems experienced by consumer, vehicle was taken to dealership for repairs and replacement of defective components.

- Vail, AL, USA

While driving at any speed engine check light illuminated, vehicle lost power and stalled. This was caused by the way the air filter was designed, it collected vapor moisture which plugged up the filter.

- Delavan, WI, USA

Vehicle will stall usaually at highway speeds, engine will shut off, after coming to a stop vehicle could be turned back on, consumer contacted dealer and dealer was not willing to do anything. On 10-20-01, the vehicles engine abruptly quit running 3 times while cruising at normal highway speeds, all engine indications were normal with no failed messages, after coasting to a stop, the engine restarted ok each time. On 10-22-01 the vehicle was completely checked by the dealership for existing or previous faults, problem could not be duplicated. On 11-03-01 the same problem again occurred 3 times. On 11-06-01, the dealership was able to determine that leaking coolant tank was allowing coolant to follow wiring harness into the electrical connector on the drivertrain computer unit, causing intermittant fuel injection operation. Repairs were made, problem has not reoccurred.

- East Leroy, MI, USA