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Old 10-14-2004, 04:23 PM   #1
JMSL300
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Question Misfiring L-300

I have a misfire on cylinder #2 caused by the ignition coil going bad. This coil not working properly has caused the car to run as if it is being choked of air. Now awaiting replacement part. Any one else have this problem? If so, let me know.

Are there any people here that have chainged a timing belt in a 2001- L300? I have the directions for this job but it looks very complicated, not to mention the need for special tools for the job.

What does Saturn charge for this?

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Old 10-15-2004, 12:10 AM   #2
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yup had the same problem on my L200, thought it was the coil but it wasnt, had a blocked catalitic conv

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Old 10-15-2004, 09:37 AM   #3
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Quote:
Originally posted by JuicedL200
yup had the same problem on my L200, thought it was the coil but it wasnt, had a blocked catalitic conv
Did they replace the coil?

Reason I am asking has to do with the recall. Somehow I remember the recall stating the defective coils caused raw, uburned, fuel to pass to the exhaust system. The hot exhaust, particularly near the catalyst, caught the fuel on fire. Which is the reason for the recall. Your cat may have been blocked due to a bad coil.

It's just a guess on my part.

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Old 10-15-2004, 01:57 PM   #4
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The local mechanic tested the coil and found that when the engine is cold the coil would not put out the needed current to fire properly. When the engine warms up to normal operating temperature it works better, only not perfect.

The mechanic informed me also that because of this misfire unburned fuel is going through the exhaust which is giving the code of a bad O2 sensor. Makes sense because of the unburned fuel going through the system.

Still waiting on the coil, will let you know if replacing it cured the misfire or not.

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Old 10-15-2004, 07:09 PM   #5
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Default Re: Misfiring L-300

Quote:
Originally posted by JMSL300

Are there any people here that have chainged a timing belt in a 2001- L300? I have the directions for this job but it looks very complicated, not to mention the need for special tools for the job.

What does Saturn charge for this?
DO NOT neglect the timing belt on the V6. The book says it should be changed at 100,000 miles. If it were to break, the pistons will crash into open valves. Not a cheap repair.

The book shows $71.92 for the belt and 4.6 hours of labor. I would guess it would be between $500 - $600.

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Old 10-15-2004, 10:30 PM   #6
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"DO NOT neglect the timing belt on the V6. The book says it should be changed at 100,000 miles. If it were to break, the pistons will crash into open valves. Not a cheap repair."

I believe the same motor in the Saab rec. 60k miles.

100k seems optimistic. Maybe they think that grandma is driving the L.

Also - how do cats get blocked ?

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Old 10-15-2004, 10:48 PM   #7
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Starting around 2000 the timing belts are reinforced with kevlar fiber for longer life. The greatest danger to timing belt life is coolant leaking onto the belt.


2 common things can cause converters to plug up.

1. Carbon fouling caused by excess oil consumption.

2. Running rich causes excess fuel to be burned in them causing the internal temperatures to reach a point that the inards melt. Normal operating temp is about 600 degrees F. A rich mixture can cause it to reach 1500 degrees F or more.

Now you know what the heat shields are for.

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Last edited by lostwages_ls2; 10-15-2004 at 10:55 PM..

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Old 10-16-2004, 10:58 PM   #8
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Default Coil pack

Were you able to locate the coil pack? I may be able to hook you up with a good used one. If you want send me an e-mail jamesk.kai@gmail.com and how much you are willing to shell out, obvioulsy you need 2-4-6 pack.

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Old 10-17-2004, 10:58 AM   #9
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thanks for the offer, i did locate and order a coil through saturnparts.com

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Old 10-17-2004, 05:31 PM   #10
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the timing belt is a tough job to do i would say take it to the dealer and have them do it for you.

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Old 10-18-2004, 08:34 PM   #11
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Default Catalytic Converter Went Out

My catalytic converter went out on my 2002 L200 too. Had the recall procedure done early, but the damage was done. Luckily for me it went out before I passed 36,000 miles.

Not so lucky with my air conditioning. Took it in to have it checked at just under 36,000 miles. They said it was within the limits, even though I knew it wasn't blowing cold like before. Now, less than 3,000 later it's out completely. Not a switch cause it never turns on. My guess is a leak. Probably have to replace the receiver dryer and the condenser. Costly but not as much as the catalytic converter would have been. They also replaced a cracked intake manifold and the intake manifold gasket, so I guess I shouldn't complain. Huh?

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Old 10-18-2004, 08:42 PM   #12
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2002 L-Series 2.2L Sedan
Default Catalytic Converter Went Out

My catalytic converter went out on my 2002 L200 too. Had the recall procedure done early, but the damage was done. Luckily for me it went out before I passed 36,000 miles.

Not so lucky with my air conditioning. Took it in to have it checked at just under 36,000 miles. They said it was within the limits, even though I knew it wasn't blowing cold like before. Now, less than 3,000 later it's out completely. Not a switch cause it never turns on. My guess is a leak. Probably have to replace the receiver dryer and the condenser. Costly but not as much as the catalytic converter would have been. They also replaced a cracked intake manifold and the intake manifold gasket, so I guess I shouldn't complain. Huh?

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