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Registered
Join Date: Jul 2001
Location: Irvine, CA
Posts: 42
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Bad Gasoline?
The 914-6 spent the weekend in san Diego at the Performance Driving School with the PCA.
The car ran beautifully in terms of mechanically but on the way home I had to fill-up the tank at some Shell-station along the 5-fwy in Carlsbad. Soon after that.. the car was sputtering and would ocassionaly backfire. I am assuming that I just got some bad gas and am asking how to remedy this situation? THanks in advance, Xerxez
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Xerxez 73 914 2.0L Sunflower Yellow/Blk/Blk 70 914-6 White/Blk/Blk |
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04-09-2002, 03:10 PM
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Registered
Join Date: Aug 2001
Location: Jupiter, FL, USA
Posts: 155
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Offer your friend some "free" gas - disconnect the fuel line and use the fuel pump to fill a jerry can. Be careful with sparks - If you have F.I. the fuel will come out really fast, look out ! ! ! Not a good idea, better to just run it through if it isn't too bad.
My guess is that you probably have a gas problem of another kind, like a manifold leak. Does the car sound louder? Track duty can loosen / break things. Backfires are usually bad timing, way too rich mixture or reduced back pressure (check header bolts). HTH, let us know how it turns out - Jay |
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04-09-2002, 05:17 PM
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Stay away from my Member
Join Date: Aug 1999
Location: Agoura, CA
Posts: 5,773
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It's certainly possible that you got a bad batch of gas, but I think Jay's suggestion is far more probable. The extreme g-forces, vibrations, and heat of track duty can cause all kinds of electrical, fuel and vacuum connections to work themselves loose! Happend a number of times to me on my last 914/4 until I sorted everything out with all new lines/hoses and appropriate clamps and connectors.
Poke around with a flashlight and see if you popped a vaccum hose or something!
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Chris C. 1973 914 "R" (914-6) | track toy 2009 911 Turbo 6-speed (997.1TT) | street weapon 2021 Tesla Model 3 Performance | daily driver 2001 F150 Supercrew 4x4 | hauler |
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04-09-2002, 10:01 PM
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Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 37,703
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Yeh, but the coincidence of the car's change in performance right after fill-up can't be ignored. I'd siphon the gas out and refill and see. If the gas had moisture, a little alcohol added will fix that. I still have a habit of passing stations receiving gas from a tanker truck; don't know if that was the case. The filter should be looked at and/or replaced. Slipped timing iis the next prpbable cause. Hope it isn't any more than that.
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04-10-2002, 07:47 AM
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Another possibility is crud in the fuel tank. Running a tank down far can sometimes loosen up any dirt/rust/crap that's in it, and then refilling the tank can carry that to the pick-up. It's not easy to check the pick-up, though...
Not sure offhand how you'd check it, but figured I'd mention it as a possibility. --DD
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Pelican Parts 914 Tech Support A few pics of my car: http://www.pelicanparts.com/gallery/Dave_Darling |
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04-10-2002, 08:04 AM
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74 Porsche 914 2.0 
