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2004 Impala starts up and shuts off before I can back out. Whats could be wrong?

Tiny
TR3Y8991
  • MEMBER
  • 2004 CHEVROLET IMPALA
  • 121,000 MILES
I have a 2004 Chevrolet Impala Ls with a 3.8 engine and aprox 121,000 miles that starts up and then shuts down before I can back out. I got plugs, wires, an oxygen sensor and a new battery but in on Monday.
Wednesday, January 11th, 2012 AT 10:44 PM

3 Replies

Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Have you had it scanned for codes? Checked the coil(s)? Checked fuel pressure when the problem occurs?
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Wednesday, January 11th, 2012 AT 10:48 PM
Tiny
TR3Y8991
  • MEMBER
  • 1 POST
I had it scanned for codes and the codes came up for oxygen sensor and and misfire, but I got those things fixed. How can I check the fuel pressure and the coils?
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Wednesday, January 11th, 2012 AT 10:55 PM
Tiny
RIVERMIKERAT
  • MECHANIC
  • 6,110 POSTS
Fuel pressure gauge. You can rent/borrow from Autozone or Advanced or similar. Coils are checked by resistance. Also check the cam and crank sensors for proper alignment and resistance and power.
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Wednesday, January 11th, 2012 AT 11:25 PM

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