when braking the engine stalls

1993 OPEL ASTRA
337,000 MILES
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HERMAN BOSHOFF
  • MEMBER
  • 1 POST
when we press the brake the vehichle stals the there are heavy fuel smell. The one problem is that the people bypassed the mechanical pump and put in a electric pump to supply tha original pierburg carb
Feb 20, 2012 at 3:48 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
The fuel pump is probably supplying too much pressure. Did they install a regulator?

The stalling issue is probably due to a vacuum leak at the brake booster. remove the 2 nuts securing the master cylinder to the booster, start the engine and hit the brake. Listen for a hissing sound.
Feb 20, 2012 at 3:50 PM
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