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Old 11-06-2006, 02:18 PM   #1
JS23N0B
 
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p0410 secondary air fix

Ok, I had an 0410 dtc come up on my '02 c5. If you get this code, see if you can hear the air injection pump running. Listen closely for a high pitch vacuum cleaner type sound coming from under the driver side headlight. The pump should only come on when the engine is cold started and should run for less than a minute and then turn off. Also you will want to disconnect the large vacuum hose where it junctions near the alternator. While the pump is running there should be a strong force of air coming out of the front secion of the disconnected hose, the other end will sound like exhaust. If you are not getting any airflow that means that the valve is not opening. This valve is vacuum operated. Vacuum is switched on or off by a vacuum solenoid located behind the passenger fender and is mounted to the fiberglass inner structure. Check first to see if there are any blown fuses in the box under the hood, if not then there is a good chance that the vacuum solenoid is jammed. This solenoid has a filter on one end but does not always prevent moisture and dirt from getting in and jamming it. If you are as crazy as I am you can disassemble the solenoid and clean it. It worked for me but it would be easier to buy one for 25-30 dollars at the dealer. To access the solenoid, remove the lower part of the passenger fender skirt behind the front wheel and remove the screws from the lower half of the fender. This should give you enough flexiblity to access the solenoid. This is definitly a lot cheaper than doing it the dealer way and they tend to charge you for everything you don't need. My 02 dodge ram need two 7 dollar vapor/emission hoses and they wanted to charge me $350 becuase they supposedly needed to reflash my ecm. I disconnected the battery to clear the code and replaced the hoses. $350....15 minutes....hmm....I think I'll open a shop. Anyway, I hope this was helpful.
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Old 11-06-2006, 02:23 PM   #2
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Great write up JS Thanks for taking the time Bro
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Old 04-13-2012, 02:01 PM   #3
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Hey gyus Firstly i want to say hello, because i`m new user at this forum. I have problem with P0410 in my `98 Corvette convertible, and i found really good answer for that problem here, but maybe You can add some photos of which vacum hose i should disconnect to check it, where i can find this valve and how it looks like. Thanks for all help.
Best re.
Robert
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Old 06-19-2012, 12:22 PM   #4
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Quote:
Originally Posted by robson View Post
Hey gyus Firstly i want to say hello, because i`m new user at this forum. I have problem with P0410 in my `98 Corvette convertible, and i found really good answer for that problem here, but maybe You can add some photos of which vacum hose i should disconnect to check it, where i can find this valve and how it looks like. Thanks for all help.
Best re.
Robert
Replace the two Air Valves,, That should stop the code.

http://forums.corvetteforum.com/c5-t...eck-valve.html
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Old 06-20-2012, 05:55 AM   #5
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Well if you guys are tuned or have Headers you can just have it tuned out... Not sure how much the tuners up by you guys charge but here in the RGV I only charge $50. Plus my opinion it looks cleaner without the tubes and pump. Oh and cant forget its a little weight reduction
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Old 06-20-2012, 06:35 PM   #6
C5-R JR
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Quote:
Originally Posted by Frankylo View Post
Well if you guys are tuned or have Headers you can just have it tuned out... Not sure how much the tuners up by you guys charge but here in the RGV I only charge $50. Plus my opinion it looks cleaner without the tubes and pump. Oh and cant forget its a little weight reduction


Just remove it and get header block off plates. It cleans up the back of the motor. I removed the secondary air pump and up graded to a LS6 PCV system on my race car. No more hoses. I didn't have it tuned out either. Sometimes it pops the Check engine light, but I just reset it.

The pump on the car.


The pump off the car.


The hose that goes behind the motor.


Header block off plates.





Jr.
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Old 08-21-2019, 06:29 PM   #7
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Quote:
Originally Posted by JS23N0B View Post
Ok, I had an 0410 dtc come up on my '02 c5. If you get this code, see if you can hear the air injection pump running. Listen closely for a high pitch vacuum cleaner type sound coming from under the driver side headlight. The pump should only come on when the engine is cold started and should run for less than a minute and then turn off. Also you will want to disconnect the large vacuum hose where it junctions near the alternator. While the pump is running there should be a strong force of air coming out of the front secion of the disconnected hose, the other end will sound like exhaust. If you are not getting any airflow that means that the valve is not opening. This valve is vacuum operated. Vacuum is switched on or off by a vacuum solenoid located behind the passenger fender and is mounted to the fiberglass inner structure. Check first to see if there are any blown fuses in the box under the hood, if not then there is a good chance that the vacuum solenoid is jammed. This solenoid has a filter on one end but does not always prevent moisture and dirt from getting in and jamming it. If you are as crazy as I am you can disassemble the solenoid and clean it. It worked for me but it would be easier to buy one for 25-30 dollars at the dealer. To access the solenoid, remove the lower part of the passenger fender skirt behind the front wheel and remove the screws from the lower half of the fender. This should give you enough flexiblity to access the solenoid. This is definitly a lot cheaper than doing it the dealer way and they tend to charge you for everything you don't need. My 02 dodge ram need two 7 dollar vapor/emission hoses and they wanted to charge me $350 becuase they supposedly needed to reflash my ecm. I disconnected the battery to clear the code and replaced the hoses. $350....15 minutes....hmm....I think I'll open a shop. Anyway, I hope this was helpful.
I cannot find the solenoid on my '01. I lowered the fender skirt and didn't see it. I replaced the Smog pump and blew back through the line, removed the battery and repaired a broken line. I cannot find the solenoid. Can you be more specific? This has me on an emotional rollercoaster.
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