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Captain Carerra
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whats left for it to possibly be
ok i just replaced my o2 sensor and a list of other maintenance items trying to sort out the hesitation issue i have with the car. the other items include: afm, air filter, fuel filter, plugs w/ wires, cap and rotor. haven't gotten the universal cat welded up yet but thats next along with the throttle switch that i didn't do yet. if i unplug the o2 it runs without the the hesitation but soon as i plug it up i get this spot at full throttle. now im thinking i might have to pick up a new dme computer and see if thats the problem. any other suggestions?
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1987 944 build project (4.8L Iron Block LS...In Progress) 2007 VW Rabbit 2.5L 5cyl-Daily D 2008 VW Jetta 2.5L- date car...for now 2009 Kawasaki Ninja 250R-"The Gas Saver" 
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06-26-2010, 02:34 PM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Just to review.
The AFM, you pryed the top off and put the guide on a new track? John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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06-26-2010, 02:58 PM
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Captain Carerra
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no i just bought a new rebuilt python unit off of here. the old one had already been slid on a new track once
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1987 944 build project (4.8L Iron Block LS...In Progress) 2007 VW Rabbit 2.5L 5cyl-Daily D 2008 VW Jetta 2.5L- date car...for now 2009 Kawasaki Ninja 250R-"The Gas Saver"
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06-26-2010, 03:12 PM
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Registered
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What o2 sensor did you use. I did mine with a cheep after market once. And had the same problem.
OTR
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(Mae) Red '86 944na- gettting new paint soon. (Abby) Black '86 944na- new addition to the family. |
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06-26-2010, 03:47 PM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Quote:
Have you seen this thread? Rennlist thread: Hesitation under hard highway acceleration? - Rennlist Discussion Forums John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo) |
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06-26-2010, 03:57 PM
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Captain Carerra
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I decided to go back outside an look for the obvious vac leaks now since i do realize that the previous owner did build this engine and may have forgotten something...i knew i had one at the vac canister for the a/c controls. but i found the other right at the throttle body where it splits off in two directions and goes to the fpr...but this is what confuses me...if the fpr doesn't have a good vac i thought it would dump more fuel too as if it were disconnected. can someone tell me where this is suppose to connect to because i see no obvious extra lines in the area
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1987 944 build project (4.8L Iron Block LS...In Progress) 2007 VW Rabbit 2.5L 5cyl-Daily D 2008 VW Jetta 2.5L- date car...for now 2009 Kawasaki Ninja 250R-"The Gas Saver"
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06-26-2010, 06:46 PM
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Captain Carerra
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i found a thread and it seems to be call a control valve (fuel related) where its suppose to be connected to....where is this located so i can hopefully find the line for it.
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1987 944 build project (4.8L Iron Block LS...In Progress) 2007 VW Rabbit 2.5L 5cyl-Daily D 2008 VW Jetta 2.5L- date car...for now 2009 Kawasaki Ninja 250R-"The Gas Saver"
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06-26-2010, 07:02 PM
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Captain Carerra
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nevermind...so many names for it..its just the ISV...gonna look at it tomorrow and see it the line is disconnected. so close to running at correct temp i can feel it
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1987 944 build project (4.8L Iron Block LS...In Progress) 2007 VW Rabbit 2.5L 5cyl-Daily D 2008 VW Jetta 2.5L- date car...for now 2009 Kawasaki Ninja 250R-"The Gas Saver"
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06-26-2010, 07:43 PM
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