Engine light n engine light with arrow pointing down

Asked by GuruCSPR1 Feb 20, 2019 at 08:51 PM about the 2002 Chevrolet Trailblazer LS 4WD

Question type: Maintenance & Repair

Why won't my trailblazer stay idling I clean
the throttle I just don't know my engine light
is on n my engine light with a arrow pointing
down is on n I have no light where u have a
DRND123 can anyone help me

2 Answers

9,505

Get a diagnostic hooked up to it at a parts store or a shop and see what the check engine codes are.

11,245

Did you do a proper re-learn procedure after you cleaned the throttle body? Remove fuses 10 and 28 under the hood for 30 min. See if that does it.

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