I have 1999 Acura TL and in park or neutral it will rev up and down, once in drive it runs great, the check engine light is on, and when i come to a stop it has a slight surge.
Sounds like a bad IAC motor, or a vaccuum leak, or low coolant... I would definately start with checking these things first
Get the car pass on a scanner the check ngine light is probably idle air control valve the first thing to do is get the scanner pass on the car before changing parts for nothing let me now how it turn out thank you and good luck pierre
Hello
The engine
and automatic transmission in this vehicles drive train
are fully electronically controlled by a computer called the PCM
(Power Train Control Module). Whenever a problem like this occurs the
computer stores a record of the problem (there are of course some
exceptions to this, like the fuel pump, engine coolant temperature
sensor and MAF sensor for instance) in the form of a fault code in
its memory, to read these fault codes you must have the systems
memory scanned with a special tool. Once the fault code(s) are read
you then must perform the appropriate diagnostic testing to find and
resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A
TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR
HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM
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