My car starts and then runs for about ninety seconds then stalls.

Asked by Jan 25, 2014 at 12:21 PM about the 1996 Buick Roadmaster Estate Wagon RWD

Question type: Maintenance & Repair

V8 5.7L

2 Answers

575

Check for an obstruction in the exshaust first (mouse nest,kid's playing a prank, clogged (melted interally) cat converter. Then if all checks out well there I would check the fuel pump pressure/ lines for a kink.

I've replaced everything dealing with the fuel an air long story short for all the roadmaster problems before u change anything the wires on top of the sending unit simple ive been dealing with stalling sputtering hesitateing for months guys it's the wire on top of the sending unit i cut them an straight wired them to the car harness an boom problem solved. The wires had the fuel pump cutting on an off try it please before u spend all your money hope this helps

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