Question about 1991 Oldsmobile Cutlass Calais

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When i hit the brakes the engine chokes out and cuts off

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Hi, check your brake booster for a torn diaphram. Can you hear air sucking under the dash when you step on the brake? Please let me know if you would like instructions for changing the booster or if you have any other questions.

Posted on Jan 03, 2011


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Carbeurator problems

Cold starting problems from a carbureted engine? Bet if you get your choke adjusted right, it will solve it. If you can screech the tires, this Tercel may be worth saving!
Just get a mechanic friend or pay someone to fix the choke. Doesn't take a long time if you know how. If you've never adjusted or worked on one, it's not so fun. Hard to explain too. The choke plate or flap should be almost closed completely when starting. Soon as engine is cranked or running, the plate should open a small amount more, but still nearly closed. Then as engine warms, the plate should gradually open until it is completely open after about 5-10 minutes. The choke cuts off the air supply to the engine. A cold engine needs a richer gas mixture to run good, and most importantly to start easy.

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On a 2.6 engine you have a carb, so the fuel pump is mounted on the side of the engine. You can follow the fuel line from the carb over to it.
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Every time i hit te brakes on my mercury mountaineer it cuts off but there is no check engine light on what could that be

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1 Answer

Car cuts off when i brake

engine stalls.? , what cuts off. ?
my guess, is .
the car had collision damage or trailer wiring hacks. that the brake light
wire is hitting ground and shorts the line.
the fuse should blow, my 2nd guess. is someone put in the wrong fuse
allowing this short to kill power to the ECU/PCM, stalling the engines.
btw, you do know that brake lamp can IN FACT , short out inside.
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then inspect the wiring behind them as you do , and LOOK
for collision damage, or hacking damage (trailer, added cruise, what ever)

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1991 dodge ram van 250 cuts off when i stop. why?

You may have a short in an Interlock switch at the top of your brake pedal lever. It is under the dash. Or you could have a bad brake booster for the power brakes. When the brake pedal is used it lets out too much Vacuum and kills the engine.

The switch may be seen by looking under the drivers side of the dash. It is a common problem with many Ford products, but many manufacturers use this simple system. This switch was installed to make sure your foot is on the brake before you shift into gear.

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1997 Saturn turns on and drives well. When we hit

look for vaccum leaks and also if you put it in neutral before stepping on brake will it still stall?

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Cuts out at 4000 rpm in neutral and bogs while driving

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