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1994 Chevy Camaro ROUGH IDLE AND WHITE SMOKE

Tiny
JJS94CAMARO
  • MEMBER
  • 1994 CHEVROLET CAMARO
  • 6 CYL
  • 2WD
  • MANUAL
  • 199,000 MILES
Ok so I had to test my fuel pressure do to hard starts in the morning. So I hooked up the fuel pressure gauge to the schrader valve tested good. So backed car out of garage then smell fuel the schrader valv is spewing gas all over the engine I shut it off and next thing I see is the engine cateches fire so I grab a water hose and put it out. Ever since then my car now runs a rough idle and spews white smoke out of the exhast. No check engine lights and fire was only going about a minute dont see any burnt wires or vacumme tubes and connection are dry and now there is exhasut fumes coming from passenger side of the engine
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Monday, November 8th, 2010 AT 12:58 PM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi JJs94camaro, Welcome to 2carpros and TY for the donation

What was the fuel pressure when you checked it-also smell the oil if it smells like gas-Let me know we start here
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Monday, November 8th, 2010 AT 1:18 PM
Tiny
JJS94CAMARO
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  • 5 POSTS
It was 37 PSI before the fire not sure know kinda scared to mess with it
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Monday, November 8th, 2010 AT 2:33 PM
Tiny
JJS94CAMARO
  • MEMBER
  • 5 POSTS
Oil stick has a smell of gasoline
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Monday, November 8th, 2010 AT 7:02 PM
Tiny
RASMATAZ
  • MECHANIC
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Your fuel pressure should be 41-47psi yours is too low-check if the injectors or the fuel pressure regulator are leaking
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Tuesday, November 9th, 2010 AT 1:55 AM
Tiny
JJS94CAMARO
  • MEMBER
  • 5 POSTS
But even with a bad regulator would that cause the rough idle and white smoke
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Tuesday, November 9th, 2010 AT 6:47 AM
Tiny
RASMATAZ
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That's if its leaking-remove the vacuum line from the FPR do you see gas in the hose or regulator if so the vacuum diaphragm is ruptured
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Tuesday, November 9th, 2010 AT 11:09 AM
Tiny
JJS94CAMARO
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  • 5 POSTS
No gas in the line
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Tuesday, November 9th, 2010 AT 11:26 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure without the fuel pressure regulator and comeback with the readings, the readings should be atleast 10psi over the present reading you have if not replace it
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Tuesday, November 9th, 2010 AT 11:30 AM

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