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1998 Chevy Camaro Hard starting and misses when acceleratin

Tiny
JO3523
  • MEMBER
  • 1998 CHEVROLET CAMARO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 11,400 MILES
Still having a problem starting. Cranks and requires depressing the accelerator to start. It also misses when accelerating and runs rough for a while after starting. I have had it to the dealer several times and they can't fix it. They say no codes are set and the pressure regulator is OK and have checked everything. Any ideas?
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Wednesday, October 27th, 2010 AT 8:03 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure if its within specs if okay test the coolant temperature sensor, clean out the idle air control valve and EGR and PCV valves also test the TPS and MAP sensors-also check the fuel pressure.
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Thursday, October 28th, 2010 AT 1:38 AM
Tiny
JO3523
  • MEMBER
  • 8 POSTS
Fuel pressure, coolant sensor and iidle air control checked OK. Engine also sometimes backfires through thr intake while cranking.
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Sunday, October 31st, 2010 AT 1:55 PM
Tiny
JO3523
  • MEMBER
  • 8 POSTS
Throttle position sensor and map sensor were previously changed by the dealer butdid not help.
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Sunday, October 31st, 2010 AT 2:15 PM

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