Pulls idle down and car quits

Check for vacuum leaks and proper fuel pressure.

HOW 'BOUT LET'S CHECKIN' SOMETHING STUPID!

YOU SAY IT BOGS DOWN W/ A/C ON---MAY DO THE SAME W/ DEFROST TURNED ON

YOU DID NOT SAY YOU WERE GETTING "COOL" WITH THE A/C ON. BOGS BEFORE YOU COULD NOTICE?

LET'S GET SOMEONE TO WATCH THE A/C PULLEY BEFORE, DURING, AND AFTER IT'S ENGAGED INSIDE THE COCKPIT

WHAT WE ARE LOOKING FOR IS THE INNER MOST PART OF THE PULLEY(CENTER) TO SPIN AT THE SAME SPEED AS THE OUTER BELT DRIVEN PART. NOT STOPPED, NOT SKIPPING, NOT SQUEALING OR MAKIN' A RACKET

IN OTHER WORDS. IS THE COMPRESSOR LOCKED UP. AND ALL IS GOOD UNTIL THE CLUTCH ENGAGES THE COMPRESSOR

ON MOST MORE MODERN CARS THE "DEFROST MODE" OF THE HEATER WILL ENGAGE THE COMPRESSOR (THIS LETS THE EVAPORATOR REMOVE MOISTURE FROM THE AIR, BEFORE AIR IS BLOWN AGAINST THE WINDSHIELD)

IF THIS "IS" THE SITUATION, YOU HAVE THREE OPTIONS:

1) REPLACE THE COMPRESSOR (BEST CASE)

2) DRIVE THE CAR WITHOUT A/C OR ANY HEATER MODE THAT USES "DEFROST" (IN OTHER WORDS, BE AWARE OF HVAC SETTINGS, WITHOUT MAKING THE COMPRESSOR COME ON---AFTER A WHILE, YOU MAY BREAK OR BURN YOUR BELT OFF. IF NOT CAREFUL

3) IF YOU MUST (LIKE THE GOOD OLD DAYS)---UNPLUG THE COMPRESSOR CLUTCH UNDER THE HOOD (NOW IT WILL NOT ACCIDENTALLY BE TURNED ON)----ALL OF YOUR HEAT SETTINGS, DEFROST, AND ALL WILL WORK (JUST NO MOISTURE ASSISTANCE. JUST LIKE YESTERYEAR!)WANT SOME AIR. ROLL THEM WINDOWS DOWN, THAT WAS THE ORIGINAL REASON THEY WERE DESIGNED!

I LIKE GIVING PEOPLE EVERY OPTION---I'M NOT ONE TO SAY "YOU MUST FIX THIS TEXTBOOK, OR IT AIN'T RIGHT".I'VE HAD TO MAKE DO W/ STUFF MYSELF. WANTED YOU TO UNDERSTAND YOU "CAN" STILL RIDE, W/ SOME COMFORT LOSS.I'D MUCH RATHER BE HOT, THAN A LITTLE COLD!

KEEP US INFORMED, WE STILL MAY BE ABLE TO ASSIST FURTHER

THE MEDIC

Idle adjustment on carbureted vehicles is done by turning the idle adjustment screw on the driver side of the carburetor.

On fuel injected vehicles, this is called the idle air adjustment screw and is on the side of the throttle body.

Both of these can be adjusted with a small flat screwdriver. On carbureted vehicles it may require removing the air cleaner housing to get the screwdriver on the screw head.

Idle Mixture Plug Removal
Remove carburetor from vehicle. Drain fuel bowl. Drill a 3/32" hole in mixture screw plug. Use a
screw extractor to remove plug. Install carburetor and make adjustments. After adjustment, install
new mixture plug.

If injected, it requires a scantool/programmer to adjust the idle speed.

My pleasure. Festive Yule and Happy New Year.