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BronteRider 08-20-2010 07:52 AM

A/C affects idle
When I turn on the A/C, the idle speed lowers, and if i rev it up rpms are just under the first line, if it doesn't die. Has anyone else had this problem? If so what was the solution?

BronteRider 08-20-2010 07:53 AM

I mean when I rev it up and it idles back down, just to be clear.

RamTech 08-20-2010 09:22 AM

Clean the throttle body lately?

Black05 08-20-2010 12:07 PM

Shouldn't be causing your truck to die, but remember your a/c compressor is connected to your drivebelts so when it's running it is pulling on your motor. Parasitic drain just like on a s/c just no extra power.

erm 08-20-2010 12:38 PM

When the A/C compressor engages, it adds parasitic drag and slows the engine idle. It should not die, though.

What is your idle RPM with it off and with it on?

RootBeer 08-20-2010 05:12 PM

Don't run the A/C on max when idling.

BronteRider 08-24-2010 11:11 PM

The RPM's are the same with the a/c on and off, right under 750rpm's, but it is usually on max so that could be it. and no, i haven't cleanedthe tb.

Toms Blue Ram 1500 08-24-2010 11:18 PM

That sounds good to me .

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