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throttle issue/o2?

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kraus

Active Member
Joined
Jun 7, 2007
Messages
857
Well have had my car out a few times in last couple weeks,ran great. Today i took it out for a nice 125 mile ride,on way home started acting up.I was traviling down highway at 73 mph or so and car just dropped rpm and lost power. I let off imediatly checked all gauges,oil,temp,gas,volt,etc. Looked at scanmeaster scrolled screen everything looked good. so i slowly hit gas and wideband o2 went 18.0 and car flopped over.So scrolled to 02 reading on scanmaster,it read zero.I was like wtf? let off 02 reading started reading again,eas into it zero hardly picks up at all.Vac gauges starts heading toward boost but real doggy and,o2 again at 0.let off back up and down reading again.should also mention it was a mere 31 degrees outside coming home tonight also. maybe it just to cold out?

Is it just a bad o2 or am i thinking its to easy.When o2 goes zero car stumbles etc,if let read again car smooths, am i on right track here or start somewhere else. Combo is below ran flawless till this,.
 
Sounds like you were running out of fuel. Do you have a way of monitoring the fuel pressure? Maybe water in the gas line?
 
Your WB and NB are both telling you that you had a fuel delivery problem. For whatever reason the fuel just wasn't getting to the engine. Pump dieing?
 
Pump is brand new,i had just put gas in and drove 50 miles ti where going.car sat 2 hours then drove home. About 40 miles back it all started acting funny.
 
Welldidny need go anywhere,started car gauge running below 20pds.i opened filler caan hear pump running. I going to replace filter and see if changes. Otherwise looks like i be calling on pump and warrenty has 300 miles on it
 
New filter same result s kind of figured it not solve it. But never know i put that on same time pump was done. So i guess i wait and see what warrenty is on pump,my luck is till it hit my door step lol
 
New filter same result s kind of figured it not solve it. But never know i put that on same time pump was done. So i guess i wait and see what warrenty is on pump,my luck is till it hit my door step lol
 
Is it possible the regulator is bypassing? I have a stock one i could throw on i suppose to check it!
 
dropped tank ,pulled sender line to pump popped off.Hooked back up all is good. thanks for the help guys.
 
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