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Old 11-12-2012, 10:09 AM   #1 (permalink)
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We bought the kid a 2000 accent gl with 132 on it. Now it started out ok but the grimlins are starting to show there true side. Now I bought car and supp the guy tuned it and it dose have new plugs and wires. But first day it smoked like a banchee, used 1 qt of oil in 300 miles. Now check eng light came on and it was misfire 1/3 and needed 02 sensor bank 1. So coil packs repaced and new 02 later, reset computer. Also re gaped plugs to .043 in. They where too shallow when I checked them for oil. By the way none was found on them. But now he's complaining of fuel milage and oil. So what to do? Also don't know if it still is smokeing also what's wake up piriod for ecm. Shifts kind of funny now too.
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Old 11-12-2012, 08:11 PM   #2 (permalink)
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Sorry to hear you're having so many issues. We used to absolutely abuse our LC (but followed maintenance) and never had these kind of problems. That's quite high oil consumption - what grade of oil are you using? Are there any visible leaks when you park the car on concrete or is it burning oil? Burnt oil is quite toxic to catalytic converters and oxygen sensors. What kind of mileage is he experiencing?
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Old 11-12-2012, 08:27 PM   #3 (permalink)
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Is there a lot of smoke at startup? If so the valve seals are bad. Do a compression test and a leak down test to see if the rings are bad.
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Old 11-13-2012, 12:43 PM   #4 (permalink)
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No smoke at start up. Only when run a while. Compresion test vacc test and fuel pressure test are on the list. Do these cars have shradder valve? I don't have addapter for my tester. As far as oil weight have no idea. It was done when we got it. Leaks seen oil around filter, valve cover both tightend up.
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Old 11-19-2012, 05:16 PM   #5 (permalink)
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im pretty sure a compression and leakdown test will answer your problems. Also sounds to me like rings or valve seats are bad like mentioned above. Good luck!

Harbor freight has great deals on adapters for compression to leak down tests. Im sure if anything you could rig something up at the local hardware store too
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Old 11-19-2012, 08:18 PM   #6 (permalink)
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You may also want to check/replace the PCV valve, and the passage in the valve cover where the PCV valve draws from.
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Old 11-19-2012, 09:09 PM   #7 (permalink)
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Quote:
Originally Posted by tedav View Post
You may also want to check/replace the PCV valve, and the passage in the valve cover where the PCV valve draws from.
Cleaning it with carby cleaner works a treat! If the spring is worn though you'll need to replace it.
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Old 11-21-2012, 10:31 AM   #8 (permalink)
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Ill replace pcv and apperntly it blew 02 sensor once more. That's warrenty and esy enough. But I think valve seats might be in order for it.
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