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Old 04-28-2006, 12:08 PM
intel_guy intel_guy is offline
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Problem is back

Last week in the torrential rain in NE Pa, I took my truck out and had the same old P0300 (random/multiple misfire) code thrown. The truck was pretty bad, but then after a minute of putting the pedal to the metal, the misfire passed and I was back to full power. I have also had my low coolant light come on lately, but not all the time. I'm hoping it's not a head gasket. I had my plugs/wires changed 5 months ago, but I used the Bosch Platimun +4 plugs. I later read on here that they are not so good. I guess I should examine the plugs and see if they are fouled. But the low coolant worries me more. I have had a head gasket go before, but this is not showing any symptoms. I'll check the oil too, to see if it's contaminated.

Any other suggestions ? Thanks.
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Old 04-28-2006, 12:30 PM
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MT-2500 MT-2500 is offline
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Re: Problem is back

Quote:
Originally Posted by intel_guy
Last week in the torrential rain in NE Pa, I took my truck out and had the same old P0300 (random/multiple misfire) code thrown. The truck was pretty bad, but then after a minute of putting the pedal to the metal, the misfire passed and I was back to full power. I have also had my low coolant light come on lately, but not all the time. I'm hoping it's not a head gasket. I had my plugs/wires changed 5 months ago, but I used the Bosch Platimun +4 plugs. I later read on here that they are not so good. I guess I should examine the plugs and see if they are fouled. But the low coolant worries me more. I have had a head gasket go before, but this is not showing any symptoms. I'll check the oil too, to see if it's contaminated.

Any other suggestions ? Thanks.
What year and engine and mileage?
After you take a look at them just kiss them good by and.
Pitch the bosch plugs in the trash can and replace them with the OEM AC-Delco plugs the god book calls for.
And have a look at the fuel filter to.
Is it low actually on coolant or just the light comoing on?
MT
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Old 04-28-2006, 08:48 PM
intel_guy intel_guy is offline
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Re: Problem is back

Seems not to be low on coolant. And I guess I'll go get the Delco plugs tomorrow...
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Old 04-28-2006, 09:02 PM
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MT-2500 MT-2500 is offline
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Re: Problem is back

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Originally Posted by intel_guy
Seems not to be low on coolant. And I guess I'll go get the Delco plugs tomorrow...
That is a good start. Is the low coolant senser in the overflow tank or rad on it.
Post back if the plugs does not take care of it.
MT
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