Phaeton :: Bad Miss After Getting V8 Cleaned And Waxed
Oct 24, 2009
I recently bought a 2nd Phaeton V8 for my wife and took it to the detail shop. They did a beautiful job on the car. My Wife was driving back from an appointment she called to tell me that the car had a bad shutter and the check engine light had come on after driving perfectly for an hour. I took it into the dealer (under factory warranty until 11/21) and they said that this has happened to them before.
Apparently when the detail shop cleaned the engine bay they also sprayed silicone on and around the engine to jazz it up. This apparently causes the electrical sensors related to the spark plugs to short out and fail causing the miss. Since I don't if the 7 others won't fail soon I'm having them all replaced on my dime. Needless to say I will ask the detail shop not to do that again.
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goes to 1,600, drops to 1,000
- back to 1600, drops, up to 1,400
-- wavers there, and then finally,
starts to taper down to steady idle of about 650-700 rpm.
Since battery disconnected, does not seem there would be a chance for TB to "un-synch" with cars computer.
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I've tried everything I can think of and it still runs sluggish.
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2. Changed Cop's
3. Cleaned MAF sensor
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I have a 99 blazer that was running fine then the intake gasket blew so i took it to our shop and we put the gasket set on and put it back together went and drove it it didn't really have any power when you get it to 2000 rpm then it died on me that problem was the connector to the coil was loose go drive it again still no power around 2 grand and it starts to buck and jump and miss and wont get over 55 mph we thought the timing was off so we advanced it it ran a lot better but put the code p1345 timing to high code we then retard the timing runs the same as the begin rough then it put the code p0101 maf sensor in there we put a maf on it go drive it it does a lot better runs alot smoother but now puts a egr code in it then if you drive it awhile it starts acting up again then puts the p0101 code back in.
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I have had a problem with my 99 Alero for some time. It is a 4 cyl 2 door and there is a hesitation that comes and goes I have changed the plugs,fuel filter and air cleaner and will still do it from time to time. I have also tried different grades of gas and injector cleaner.
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My 2004 Elantra has a rough idle when it starts up cold and sounds like it has a miss. When it warms up it smooths out. What could be the cause of this?
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This is more of an annoyance than a threat to driveability (so far) but it has me and the mechanics I deal with stumped. 94 GMC 350 with about 175 thousand miles. Prior to my emissions test I cleaned and gapped the conventional plugs, inspected the cap and rotor and gently cleaned off a small amount of accumulated 'snow' on the contact points and put a couple of cans of Seafoam in the tank. I passed the test without issue but for some unknown reason the truck has developed an irregular stumble at idle especially when hot.
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I have a 1999 Buick Regal GS with a supercharged 3.8 liter engine and 161,000 miles. I bought the car off of my uncle and he said he would have to change plug wires every month to month and a half because it would start missing so bad. When I first drove the car it would quit on me at red lights and in parking lots, it only seemed to do it at low idle speeds. I live on a hill with a blacktop road and I had to give it a lot of gas just to pull the hill it was missing so bad. The plug wire had a lifetime warranty on them so I replaced them and it stopped quitting on me but I still had a bad miss at random but not as bad it would just be like hard jerks. I added sea foam fuel injection cleaner and had the fuel filter replaced. The mechanic checked the spark plugs and he said they were like new AC Delco. I also cleaned the MAF Sensor (the mechanic told me to and how) because the engine did not run steady at idle and it seemed to work that, but not the miss. Could my problem be the plug wires? They are carquest brand 7mm wires.
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My second gen prius has slight miss/knock at startup. Done 35000 km. Doing around 19Km/Ltr. No other problem.
Any need for tuning, plug checking, needed at this stage?
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I just got the car back together after doing my chains, and I had a miss when it started. Now, the car runs fine only under light throttle but at idle and under heavier loads it has the miss. I drove it around my neighborhood and the check engine light started flashing, but stopped and went out as I was turning into my driveway. The only reason I ask about possible spark miss is because when I removed my plug wires, 2 of them left some of that rubber insulator on the plugs. Plus the car seems to have pretty decent power despite the misfire.
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