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Guest Message by DevFuse
 

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no start after buying gas... then starts


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5 replies to this topic

#1 later_Peter

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Posted 25 February 2014 - 02:31 PM

1999 OBW... 2.5 AT. 194k

Runs smoothly & fine except:
right after putting in gas (doen't need to be a full tank) it won't catch. Starts but as soon as I let off the gas pedal it stalls. This happens a few times (3-5) then it runs fine & continually start on first crank...

Kind of like no fuel or no spark?

Any clues/hints/wisdom?

later,

Peter



#2 1 Lucky Texan

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Posted 25 February 2014 - 02:37 PM

odd - any check engine light or stored/pending codes?

 

any vacuum or pressure/'whooshing' detected when removing the gas cap?

 

 

I'm tempted to recommend some SeaFoam through a tank or 2 of gas and throttlebody cleaning but - both guesses.



#3 nipper

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Posted 25 February 2014 - 03:29 PM

dying engine temp sensor?



#4 presslab

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Posted 25 February 2014 - 04:13 PM

Probably a bad charcoal canister.  Filling the tank causes gas fumes to get pushed into the vent line and then into the charcoal canister.  If the canister doesn't work right (or is plumbed wrong) it will fill the intake with gas fumes and cause hard starting.

 

As a test remove the small vacuum line from the canister and plug it.  Then fill the tank and see what happens.  If the canister is indeed your problem, please fix it as the emissions from the gas tank are huge.



#5 nipper

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Posted 25 February 2014 - 04:22 PM

OOps i forgot about that one, been a while since i have seen one :)



#6 later_Peter

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Posted 25 February 2014 - 11:41 PM

seems like "Presslab" may be on the right track... I'll give it that test later this week & report back... Thanks gentlemen!!!






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