Forum: S-Series Tech
12-07-2021, 09:14 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
The furnace is fixed and the car is running great. We've been making it a point to drive it whenever possible. Have driven it over 110 miles now with no issues. Let's call this one solved.
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Forum: S-Series Tech
12-01-2021, 10:21 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Update:
I tested the existing coil's resistance and they both measured below spec so I ordered the ICM as well as two coil packs. Had some rewards from the credit card so this all cost me less...
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Forum: S-Series Tech
11-28-2021, 02:02 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Well on the way to church about 3 miles in the car started running bad again. I was so happy.:rolleyes: Stopped it and hooked up the timing light and the 2 middle cylinders were not firing again. So...
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Forum: S-Series Tech
11-28-2021, 10:25 AM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
I've been leaning towards a new ICM but wanted to see what happened after I swapped the coils. I'll drive it for a while and see what happens.
I drove a 1985 Chevy Celebrity for over 13 years. One...
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Forum: S-Series Tech
11-27-2021, 08:08 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Thanks TomM96 for the info as well as all the others that have helped. And TomM96 I replaced the plugs a few weeks ago.
Well here's where I'm at. Is it wrong to hate your Saturn because it's...
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Forum: S-Series Tech
11-24-2021, 06:53 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
One more post then I'm done with this car today. New wires did little to help. I did a resistance check on them and they were within specs but I figured 14 year old wires should be changed.
Once...
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Forum: S-Series Tech
11-24-2021, 03:24 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Welp I think I'll rule out water in the tank. Used it this morning for several errands and it started and ran great. Then about 15 minutes into it, it started running bad. And it kept running bad for...
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Forum: S-Series Tech
11-24-2021, 10:11 AM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Another quick update. I drove the car to a local store yesterday. It started fine but several times it started the misfire thing but cleared up after a few seconds. While at the store I picked a 4...
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Forum: S-Series Tech
11-22-2021, 06:55 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
I replaced the complete exhaust system including the cat about 3.5 years ago. The oxygen sensor after the cat failed and while trying to remove it I broke the exhaust system in half. It was time....
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Forum: S-Series Tech
11-22-2021, 06:25 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Oh and after I tested the fuel pressure I left the gauge attached and came back about an hour later and there was still 51 psi of pressure. So it would seem the injectors are not leaking.
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Forum: S-Series Tech
11-22-2021, 05:15 PM
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Replies: 22
Views: 949
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Forum: S-Series Tech
11-22-2021, 03:35 PM
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Replies: 22
Views: 949
Re: Strange P0300 occurrence
Thanks for the reply TomM96. Yes I was planning on putting some cleaner in the tank. Most of them say start with a nearly empty tank then fill it after adding the contents of the bottle. It's...
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Forum: S-Series Tech
11-20-2021, 11:49 PM
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Replies: 22
Views: 949
Strange P0300 occurrence
2000 SL2, manual trans, 164,000 miles.
First, about 3 weeks ago the fuel pump, fuel filter, spark plugs and a couple of other throttle body parts were replaced. And the throttle body was cleaned....
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