- #56 of 65
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Re: emissions code [b007halen]
by jlflemmons
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Sep 18, 2009 (4:03 pm)
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Replying to: b007halen (Sep 18, 2009 12:09 pm)
Do you have the code that has been set?
OC on the temp indicates either a failed temp sensor (behind the grill. You can see it clipped to the radiator support) or a damaged wire/connector. The "OC" means "open circuit".
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- #57 of 65
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Re: 2001 Blazer PO 410B code [die]
by jlflemmons
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Sep 18, 2009 (4:24 pm)
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Replying to: die (Jul 17, 2009 8:05 am)
There is a temp sensor located in the drivers side head, just above and between the #3 and #5 sparkplugs. That would be the middle (#3) and back (#5). What does the gauge read when the engine is fully warmed up?
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- #58 of 65
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Re: emissions code [jlflemmons]
by b007halen
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Sep 20, 2009 (8:16 pm)
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Replying to: jlflemmons (Sep 18, 2009 4:03 pm)
i believe that the code is P404. but i could be wrong. someone told me it was my purge valve solenoid 
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- #59 of 65
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Re: emissions code [b007halen]
by jlflemmons
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Sep 21, 2009 (10:06 am)
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Replying to: b007halen (Sep 20, 2009 8:16 pm)
That code comes back to an EGR issue. Here is some more information:
GM P0404
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- #60 of 65
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error code
by b007halen
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Sep 25, 2009 (12:03 am)
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i have a 2000 chevy blazer with about 197000 miles. my check engine will not go off and it is reading p440
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- #61 of 65
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Re: error code [b007halen]
by jlflemmons
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Sep 25, 2009 (7:06 am)
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Replying to: b007halen (Sep 25, 2009 12:03 am)
Check the gas cap, and also the hoses and canister behind the drivers side rear wheel. This is an evaporative emissions code, so something is wrong in the capture systems. Look for cracked or broken hoses, most are bigger than a vacuum line and smaller than a heater hose.
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- #62 of 65
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P0440
by b007halen
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Oct 27, 2009 (2:26 pm)
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i have a 2000 chevy blazer and my check engine light has been on for about a month now. i bought a lock gas cap, and replaced a cracked and disconnected vacuum line. what else would it be. and how could i fix it?
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- #63 of 65
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Re: P0440 [b007halen]
by jlflemmons
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Oct 27, 2009 (8:09 pm)
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Replying to: b007halen (Oct 27, 2009 2:26 pm)
Check here: http://www.obd-codes.com/p0440
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- #64 of 65
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Re: P0440 [jlflemmons]
by valleygirlkim
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Oct 28, 2009 (5:08 pm)
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Replying to: jlflemmons (Oct 27, 2009 8:09 pm)
I had a PO 410 code and my mechanic found a 30 amp fuse for the A.I.R. pump. He was going to replace the pump but after taking it out and testing it, it was okay. Since the new fuse was put in...the light hasn't come back on but it's only been 200 miles. Good luck with your 440 code.
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- #65 of 65
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Re: 2001 Blazer PO 410B code [richk28]
by valleygirlkim
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Oct 28, 2009 (5:12 pm)
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Replying to: richk28 (Aug 08, 2009 6:07 am)
I had a PO 410 code and my mechanic found a 30 amp fuse for the A.I.R. pump. He was going to replace the pump but after taking it out and testing it, it was okay. Since the new fuse was put in...the light hasn't come back on but it's only been 200 miles. Also, I signed up to GM Parts online just in case I need anything, I needed my VIN number to get the proper part - so I'm pricing the kit you mentioned just in case the fuse was not the entire problem. Thanks again
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