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Greg, Technician
Category: Car
Satisfied Customers: 7121
Experience:  17 years Shop Owner /Technician. 27 years experience,
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Have a 2006 Suzuki grand vitura if im at idle and ac is on

Customer Question

have a 2006 Suzuki grand vitura if im at idle and ac is on car dies but if im driving everything is good to go pulled off compressor had it checked seem to be fine no codes or pending codes I washed off the motot with a hose now I have this problem please help if you can
Submitted: 2 years ago.
Category: Car
Expert:  Greg replied 2 years ago.

Hi .

So as i understand the engine runs good only when the RPM are low with the AC on the engine will stall .

But if you keep your foot on the accelerator you can keep the engine running .

Is the check engine light ON when the engine is running .

Rgds greg

Customer: replied 2 years ago.
There are no codes no pending codes. It's like the ac compressor is pulling down the motor but I pulled it had it checked is fine. It idles around 700 rpm. Then it drops to 400 rpm then dies
Expert:  Greg replied 2 years ago.

Okay good thank you ,this looks like a IAC control issue ,

When you are at idle and the rev's are at 700 and you switch on the A/C the rev's Should drop 50 -100 rpm then go back to 700

is it doing this or staying at 400-500.

With the A/C off and at idle 700rpm select "D" the rev's should drop and then go back to idle speed +/-50.

if it stays low check and replace the Idle control Valve .

FIRST check the throttle body is not gunked up with carbon build up a dirty throttle body will also do this

Rgds Greg