Date: Sat, 28 Jun 2003 16:51:55 GMT
From: "D.R" <>
Subject: Re: Strange question but I have to ask

I am not a mechanic, but does it ever seem like you are assuming this is a complicated (read: expensive!) problem. Since the ethanol seemed to clear up the problem temporarily, the first thing I would do would be to check for water in the gas tank, then start fueling at another place or use a different grade of gas. Dave '03 9-5 Arc In article <>, Dexter J <> wrote: > Salutations: > > "Fred W." wrote: > > > > "Brittany" <LauraJ2Bnopsamcom> wrote in message > > > > > I wrote here before and everyone was so kind and some of you even sent > > > me direct emails. > > > > > > I have a 9000 CD 1989 Sedan and I notice when I am driving on the > > > highway that it seems to lose speed. It almost feels like its > > > changing gears ( yes it is Automatic). Anyway per a friends > > > suggestion I added to the tank a bottle of dry gas. This seemed to > > > fix the problem as I did not experience any of the bucking or slowness > > > problems for a month. I was sooo happy and I could hit the gas and it > > > would fly.... > > > > > > Unfortunately the drop down in speed while I am driving is starting > > > again. So I wanted to know if adding the dry gas really did help and > > > if so what is the reason the dry gas helped. I want to know if there > > > is something that I should get fixed that the dry gas temporarily > > > fixes. > > > > Sounds like you might be getting some misfiring. Does your 9k have DI > > (Direct Ignition)? If so, step one should be to replace the spark plugs > > with the correct NGKs called out for that engine. If not, it could be > > plugs, plug wires or distributor cap or rotor. > > > > -Fred > > Check for oil leak running along on the bottom of the distributor cap (if > so fettled).. Google for - violent bucking - as I think > I've posted some guff about it on my own 89 9000T CD.. It turned out to be > a .10 cent o-ring.. > > If you are grounding a wire to the block with even the lightest film of oil > - it'll misfire and the engine management system will read that as a knock > and, correctly as far as it's concerned, shut off the fuel momentarily - > under boost is where you get that bucking 'thang.. > > If you are running DI - then there is nothing to do but replace the unit as > I gather it's doing much the same sort of thing engine management wise.. > It will save the block, piston and crank because it's cutting fuel across > the whole rail to stop the whole engine when one or more holes misfire.. > While it's a huge pain in the ass - it tears up your mounts instead - it > actually makes some sense in that it is hard to chew up a particular piston > over time - which is usually what happens to older port injected motors > without advanced engine management.. > > After that - check for NGK's as suggested, check the air filter and if > you've been getting great and/or lousy mileage lately - check your fuel > pump and injectors.. > > However, as it may be that dry gas did it's job (someone said it was for > clearing up water in the tank) - I'd looking around the top of your fuel > tank with a mirror on a stick and around the fuel pump looking for rust or > broken gasket.. > > Happy motoring - if you are messing around the fuel tank - be very careful > about the electrical connections and try to do it with the doors and trunk > open on a windy day.. Disconnect the battery - but you will need to have > your radio codes if you want to use the audio system again sometime.. > > -- > > J Dexter - webmaster - > all tunes - no cookies no subscription no weather no ads > no news no phone in - RealAudio 8+ Required - all the Time > > Radio Free Dexterdyne Top Tune o'be-do-da-day > Queen - Fat Bottomed Girls > -- -- Dave Rowsey <>

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