my truck started breaking down my engine light flashes on and off the truck will start and run but has no power on exceleration or going up hills i have replaced the spark plugs wires and map fuel sed

Asked by Trudy Dec 04, 2011 at 01:44 PM about the 2001 Chevrolet Silverado 1500

Question type: Maintenance & Repair

my 2001 chev silverado started with the service engen light flashing then i had no power on exceleration or going up hills i have replaced the plugs wires and map fuel sensor any other suggestions

2 Answers

5,335

if the ses light is flashing its running excessive rich/lean enough to damage catalytic converters , need to scan engine data to find why

4 people found this helpful.
70

What's the mileage? Don't matter its 2001 most likely the upstream oxygen sensors replace both up and down sensors on both cat converters. I need to do the same on my truck too 3.9 v6 dakota

1 people found this helpful.

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