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From: Tegger on 9 Jul 2010 09:30 Dave U. Random <anonymous(a)anonymitaet-im-inter.net> wrote in news:d2f763920ff81f746458fdc2c5f2b8ad(a)anonymitaet-im-inter.net: > 2000 Lexus ES 300. 80K miles. > Added Chevron Techron Fuel Injector Cleaner. > > Now my engine revs very low on startup. > Sometimes stalls. > Never had this problem before. > > What could have happened? > Is the Check Engine light on? -- Tegger
From: chuckcar on 9 Jul 2010 19:13 Dave U. Random <anonymous(a)anonymitaet-im-inter.net> wrote in news:d2f763920ff81f746458fdc2c5f2b8ad(a)anonymitaet-im-inter.net: > 2000 Lexus ES 300. 80K miles. > Added Chevron Techron Fuel Injector Cleaner. > > Now my engine revs very low on startup. > Sometimes stalls. > Never had this problem before. > > What could have happened? > Which of the following haven't you replaced as per the manual instructions: Air filter, Oil, Transmission fluid? Not an accusation you understand, but first things first. -- (setq (chuck nil) car(chuck) )
From: Tegger on 9 Jul 2010 20:57 Dave U. Random <anonymous(a)anonymitaet-im-inter.net> wrote in news:d10174919db4e27c0973c23620be4dc3(a)anonymitaet-im-inter.net: > Tegger wrote: > >>Is the Check Engine light on? > > No. > Also, car works normal (idle RPM) when the engine warms up. > Has anybody scanned the engine's computer with an OBD-II reader? It is unlikely that such a problem could occur these days without an obvious OBD- II report of some kind. -- Tegger
From: Ray O on 9 Jul 2010 22:51 "Dave U. Random" <anonymous(a)anonymitaet-im-inter.net> wrote in message news:d2f763920ff81f746458fdc2c5f2b8ad(a)anonymitaet-im-inter.net... > 2000 Lexus ES 300. 80K miles. > Added Chevron Techron Fuel Injector Cleaner. > > Now my engine revs very low on startup. > Sometimes stalls. > Never had this problem before. > > What could have happened? > Did you add the fuel injector cleaner to cure some kind of problem or did you add it as a preventative measure? In the future, do not routinely add fuel injector cleaner unless you are trying to address a specific symptom because over use can damage the injectors, fuel lines, seals, and idle air control valve. Also, fuel injector cleaner must be used exactly according to the directions supplied with the cleaner. If you do not use up the fuel in the tank quickly enough, the stuff can damage injectors, fuel lines, seals, and the idle air control valve. I suspect that the fuel injector cleaner loosened deposits on the idle air control valve and it does not move enough during warmup. Try cleaning the throttle body and IAC valve with aerosol carburetor cleaner, being sure to wipe out the liquefied gunk. Spray the edge and inner surface of the throttle plate and the openings for the idle air bypass. The engine will probably blow clouds of smoke the first time you start it after cleaning, but it should clear up after a minute or so. -- Ray O (correct punctuation to reply)
From: Hachiroku ハチロク on 11 Jul 2010 01:26 On Fri, 09 Jul 2010 10:58:27 +0200, Dave U. Random wrote: > 2000 Lexus ES 300. 80K miles. > Added Chevron Techron Fuel Injector Cleaner. > > Now my engine revs very low on startup. Sometimes stalls. > Never had this problem before. > > What could have happened? Techron is a regular additive in Chevron branded gasoline. I've added it to my '85 Corolla, my '88 Supra and my '89 Mazda with no problems. The question I would ask is, did you add the right amount for the amount of gas in the tank? There are two size bottles, 1 for up to 12 gallons and one for up to 22 gallons. In this case, more is not better since I added the 22 gal additive and then put in 10 gallons, and had a similar problem to yours. Add some 93 octane gas and you should be OK.
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