ChevroletSilverado 15002003
  1. Chevrolet Silverado 1500
  2. Problems
  3. 2003
  4. Engine

2003 Chevrolet Silverado 1500 Engine Problems

5
Owner complaint records in our dataset

Records are owner complaints, not a measured failure rate.

Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.

Mileage in stored records

BandRecords
30–60k mi2

Complaint records

Owner-submitted complaint content, presented as stored.

  • July 1, 2007 · 40,000 miles

    Engine

    Tl*the contact owns a 2003 chevrolet silverado 1500. While driving, the vehicle shuts off and loses power. The mechanic stated that nothing could be done and informed the contact that he should have purchased the extended warranty. The contact plans to call the chevrolet dealer. The current and failure mileages were 40,000.

    ODI 10195979

  • April 12, 2007

    Engine

    For some unknown reason i began losing coolant fluid from my silverado truck, but it was not leaking out upon the ground. After a month of this process, and having to continually add coolant to my engine, i took my vehicle to a mechanic i have known for several years. Thinking it was most likely a bad head gasket (which i found out were being eroded away from the "coolant "itself), we replaced the head gasket. Less…

    ODI 10208889

  • November 20, 2006 · 53,451 miles

    Engine

    Vehicle was idling poorly, it had a rough idle that would shake the vehicle. This came and went, it was not a constant problem but slowly grew worse. It was diagnosed that 4 of the eight cylinders, one entire bank, was misfiring. The trouble was caused by a faulty oxygen sensor that was dumping 50% more fuel than needed into these cylinders. The sensor was replaced as was the spark plugs which had become fouled. *nm

    ODI 10176549

  • April 1, 2003

    Engine

    2003 chevrolet silverado goes into "reduced engine power" mode. The truck has done this 3 times in the last week. If it happens while trying to pull into traffic a serious accident could result. I have an appointment to fix the problem but the real concern is to have a computer able to control the engine speed is dangerous. At any time it could reduce engine power without the driver having any control.*jb

    ODI 10013763

  • December 13, 2002

    Engine · Vehicle Speed Control

    The vehicle experienced a problem with the throttle, and not starting at times.*jb

    ODI 10009582