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Old 08-01-2010, 08:27 PM
Rob_M Rob_M is offline
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Default Re: Engine Stalling when Braking

The engine does NOT stall when I use the brakes going backwards, but it does stall when I use the parking brake to stop when going forward. That basically eliminates the brake light switch theory. I did check for any wiring interference and I didn't see any. I also checked the wires while the car was idling - shaking them and so forth and nothing. The car idles just great!

As an example, our driveway is at the top of a hill and if I let the car go backwards and hit the brakes it doesn't stall. Here's the interesting part, if I am going backwards and goose it a little the car dies. This strongly suggest that this problem only happens when the car is accelerated in one direction. Going in reverse and hitting the gas produces the same 'motion' (the car and occupants being accelerated toward the front of the car), while going forward and braking.

When I am driving the car and put it in neutral I can pump the brakes and the engine will start to stall and recover each pump that I do. When it is idling I can hold the brake pedal all day long and the car does not die. It also starts with my foot on the brake pedal.

I know this hard to believe but that is what it does......

I wired the MSD box into the battery, bypassing the rest of the car and it still does it. I assume that only leaves the ignition part at fault. One thing I did noticed is my MSD Blaster coil is mouinted sideways with the bottom of the coil facing the front of the car. I plan on trying a different coil to see what happens. After that I will reinstall my old distributor. (I installed a new MSD ignition this spring...)

At this point I'm just trying everything that sounds logical....

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