1997 Silverado after over55 mph the rpm's stay to high. Then check engen light flashes. Help please

Asked by Oct 18, 2015 at 06:48 AM

Question type: Maintenance & Repair

2 Answers


if your engine light is flashing that means you have a misfire condition, I would start with a tuneup first

1 out of 1 people think this is helpful.

Sounds like you have 2 things going on here. The flashing check engine light is warning you that the engine is misfiring and damaging the catalytic converter. The high RPMs at expressway speeds indicates that the transmission is not shifting into overdrive and the torque converter clutch in the transmission is not locking in. HTH. -Jim

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