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Pool of Gas in TB

Tiny
WUTSUPY
  • MEMBER
  • 1990 PONTIAC SUNBIRD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 90,000 MILES
No I dint replace the rotor. Today I changed plugs, sprayed oil in cylenders, and just looked over the engine as a whole. I pulled on the trottle and I looked down in to the Throttle Body, there is a large pool of gas in the botton of the Throttle body. So the car is not getting gas to the cylenders, right?

It has compression and timming. So if gas isnot getting out of body than its not getting to cylenders so ya I need help.

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Monday, December 6th, 2010 AT 7:07 PM

18 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The TB is leaking check the fuel pressure regulator/meter body
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Monday, December 6th, 2010 AT 7:12 PM
Tiny
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But would that prevent gas getting in to the cylenders?
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Monday, December 6th, 2010 AT 7:13 PM
Tiny
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Its leaking and its flooding out the engine-
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Monday, December 6th, 2010 AT 7:25 PM
Tiny
WUTSUPY
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  • 59 POSTS
Oh true, ya it dont pop off at all. And one more thing, that gas has been sitting in there over this weekend, do you think if I turn it over a bunch with the plug pulled for the injector it would use that fuel up than pop off?
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Monday, December 6th, 2010 AT 7:30 PM
Tiny
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If it doesn't want to pop off -check if you're getting spark
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Monday, December 6th, 2010 AT 7:45 PM
Tiny
WUTSUPY
  • MEMBER
  • 59 POSTS
Sorry I dint give you all the details, ill start from the beginning. A few years ago it stopped getting gas and would not run. Me and dad poured gas in the throttle body and it would run. I replaced the pump, fuel filter, injector, fuel pump relay, wires. It still did not work so me and my friend hauled it to school. There we replaced the oil pressure switch. Still no gas than we hot wired the pump and replaced the ignition module. Than we got a injector pulse and gas, it would now inject. We than tried to start it but it wouldn't start so we sprayed ether in the throttle body and it wouldn't start so we checked for spark, it does get spark. We than called my dad to help us out and he noticed the pool of gas. The thing is it ran before we replaced the ignition module and that was only 2 weeks ago
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Monday, December 6th, 2010 AT 10:29 PM
Tiny
RASMATAZ
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Check the fuel pressure if its within specs and also if the injectors are pulsing and getting spark again-start again
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Tuesday, December 7th, 2010 AT 4:52 AM
Tiny
WUTSUPY
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  • 59 POSTS
Ok pressure is good, injectors are pulsing and its getting spark
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Tuesday, December 7th, 2010 AT 1:43 PM
Tiny
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Check the valve and ignition timing
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Tuesday, December 7th, 2010 AT 6:32 PM
Tiny
WUTSUPY
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Ok, it seems good, like it all lines up when it is spose to. I dont think its the timming it has to be in the gas system from the TBI to the intake valves.
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Tuesday, December 7th, 2010 AT 6:57 PM
Tiny
WUTSUPY
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It all seems right like its all linning up right. I dont think its the timming it has to be in between the TBI and the itake valve.
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Tuesday, December 7th, 2010 AT 6:59 PM
Tiny
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Like the gas is not getting in to the intake
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Tuesday, December 7th, 2010 AT 7:06 PM
Tiny
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Remove the sparkplugs and check if its getting fuel if it is-check the valve and ignition timing again-get this done and then comeback with results
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Tuesday, December 7th, 2010 AT 7:14 PM
Tiny
WUTSUPY
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Ok, how would I check if its getting gas? Do the trick were you put t towel over the plugs and turn it over?
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Tuesday, December 7th, 2010 AT 7:27 PM
Tiny
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Ok it is not getting gas in cylenders, the timing checked out ok. ( Shop teacher is telling me that) so from what I understand the gas just pools in the intake insted of coming into the cylenders. What could cause this? The air idler valve?
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Wednesday, December 8th, 2010 AT 4:56 PM
Tiny
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Or should I just take the intake manifold off and see if its being clogged?
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Wednesday, December 8th, 2010 AT 5:01 PM
Tiny
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Remove the intake and investigate thoroughly
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Wednesday, December 8th, 2010 AT 8:44 PM
Tiny
WUTSUPY
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Ok I just started that too and it should be interesting to see what it is. I should have it tore apart and have pictures up by tomaro.
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Wednesday, December 8th, 2010 AT 9:02 PM

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