1997 BLAZER ENG. STALLING

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1997 BLAZER ENG. STALLING

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> S-10 & Blazer >> 1997 BLAZER ENG. STALLING

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1997 BLAZER ENG. STALLING - 10/2/2007 4:28:23 PM

chris112268

Posts: 4
Joined: 10/2/2007
Status: offline

I HAVE A 1997 BLAZER W/4.3 ENG. AND AUTOMATIC TRANS.EVERY TIME WHEN I BRAKE THE ENG. WILL STALL WHEN THE RPM,S GET DOWN .WHEN THE TRUCK IS IN PARK IT IDLES GREAT.I THOUGHT I MIGHT HAVE A BAD BRAKE BOOSTER SO I DISSCONNECTED THE VACUM HOSE TO THE BOOSTER AND PLUGED IT OFF AND STILL STALLS OUT WHEN BRAKING.I THEN TRIED DRIVING IT IN 1ST GEAR AND BRAKE IT STILL STALLS OUT . IT STALLS OUT IN EVERY GEAR WHEN YOU BRAKE.I ALSO TRIED PUTTING IT IN NUETRAL AND THEN BRAKE AND STILL STALLS.AS OF RIGHT NOW THERE ARE NO FAULT CODES.PLEASE HELP.

< Message edited by chris112268 -- 10/2/2007 4:32:27 PM >

Post #: 1

RE: 1997 BLAZER ENG. STALLING - 10/2/2007 7:40:40 PM

John86

Posts: 254
Joined: 2/16/2007
Status: offline

does it still stall when u push the gas a lil to idle it up then push the brake pedal? how does it idle in park? is it irratic or normal?

(in reply to chris112268)

Post #: 2

RE: 1997 BLAZER ENG. STALLING - 10/2/2007 9:26:30 PM

chris112268

Posts: 4
Joined: 10/2/2007
Status: offline

IT IDLES GREAT.I TRIED TO GIVE IT SOME GAS WHEN I PUT IT IN NUETRAL AND BRAKE AND IT STILL STALLS OUT.I AM NOW WONDERING IF I HAVE SOME SORT OF TRANNY OR TORQUE CONVERTER PROBLEM I WAS READING WERE EVERY TIME THE BRAKE PEDAL IS APPLIED IT DISENGAGES THE TORQUE CONVERTER TO ITS NORMAL FLUID OPERATION.

(in reply to John86)

Post #: 3

RE: 1997 BLAZER ENG. STALLING - 10/3/2007 8:29:12 AM

John86

Posts: 254
Joined: 2/16/2007
Status: offline

that's really odd concern. very odd that is does it in neutral also. try unplugging the connectors to ur brake switches and see if it still does it. maybe u have a bad circuit from the brake switches to ur pcm. the scanner that u r using to read codes can u also look at data display with it?

(in reply to chris112268)

Post #: 4

RE: 1997 BLAZER ENG. STALLING - 10/3/2007 1:56:45 PM

chris112268

Posts: 4
Joined: 10/2/2007
Status: offline

I UNPLUGGED THE WIRES TO THE BRAKE SWITCH AND IT STILL STALLS OUT WHEN I GO TO BRAKE.I ONLY HAVE A CHEAP SCANNER THAT WILL READ THE CODES AND CLEAR THEM IT CANT DO ANY THING ELSE.

(in reply to John86)

Post #: 5

RE: 1997 BLAZER ENG. STALLING - 10/3/2007 3:20:34 PM

John86

Posts: 254
Joined: 2/16/2007
Status: offline

it might be ur torque converter clutch solenoid but from wat i know it should still run in neutral if that is bad but not 100% on that. also the cheap scanner u r using may not be retrieving all of the codes. i think the cheaper scanners only read codes that deal with emissions but not sure about that. did u unplug both brake switches?? also check to see if ur brake pedal or brake rod is rubbing some wires causing a direct short or something. i've seen turn signal make a vehicle die when in use and it was because of a bad ignition switch. and the turn signals cause to much of a draw killing power to the fuse block.

< Message edited by John86 -- 10/4/2007 5:48:38 PM >

(in reply to chris112268)

Post #: 6