Here's one for ya 2001 blazer 4 door 4wd throwing codes p0300 p0102 p0452

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12-26-2019, 06:40 PM

Edward Alexander Odren

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Here's one for ya 2001 blazer 4 door 4wd throwing codes p0300 p0102 p0452

Ok It chuges if your light on the gas or going up hills it hates going 40 or under I've checked plugs ,wires ,dis ,vacuum ,lines ,coolent , air filters evap canister, I also had the slow pumping problem untill i zip ties the vapor canister together its the thing under the spare. I need help please

Last edited by Edward Alexander Odren; 12-26-2019 at 06:56 PM.

12-26-2019, 08:16 PM

LesMyer

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Quote:

Originally Posted by Edward Alexander Odren

start with the P0102. https://blazerforum.com/forum/diagno...plained-28157/

Last edited by LesMyer; 12-26-2019 at 08:22 PM.

12-26-2019, 08:44 PM

Edward Alexander Odren

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Quote:

Originally Posted by LesMyer

start with the P0102. https://blazerforum.com/forum/diagno...plained-28157/

I have checked maf its good I think I have it because I took it off a few days ago I'm replacing the valve under spare. Lots of rust but all the hoses look,great

12-26-2019, 09:17 PM

LesMyer

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Quote:

Originally Posted by Edward Alexander Odren

I have checked maf its good I think I have it because I took it off a few days ago I'm replacing the valve under spare. Lots of rust but all the hoses look,great

Then you need to clear the codes and make sure what is currently the problem and what is not. ps - anything P0452 related is not going to cause a misfire and P0300 is a result of a problem, not a cause.

Last edited by LesMyer; 12-26-2019 at 09:20 PM.