Put on headers and Y and now the car runs like shit

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Nov 20, 2012 | 08:21 PM

Evan Poinsett

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Staging Lane

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From: Colorado Springs

Put on headers and Y and now the car runs like ****

like i said i just went from stock manifold and everything to pacesetter long tubes, ORY, into the magnaflow catback that was already there. the rest of the car is stock. now when i start it, i get the SES flashing for codes P0200 and P0300. i replaced the spark plugs and wires when i did the headers, also i have the front two 02s plugged into the only two 02 bungs on the headers and the rear 02s are zip tied up just hanging. the car will idle decently but driving it sputters and makes little power. any help would be appreciated

Nov 20, 2012 | 08:28 PM

WS.SIX

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From: Maricopa, AZ

Did you install the sparkplugs after the headers were on? If not they may have been damaged during the header install.

Nov 20, 2012 | 08:37 PM

Mazzenger

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From: Oklahoma

You might double check the connection to the coil packs, fuel inectors and plug wires. Maybe they aren't fully snapped together?

Nov 21, 2012 | 06:17 AM

Evan Poinsett

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Staging Lane

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From: Colorado Springs

Yeah I waited to do the spark plugs after I had the headers on. Ill pull them and double check everything tonight

Nov 21, 2012 | 06:36 AM

LS-ONE_DAY

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From: Westminster, MD

Quote:

Originally Posted by Mazzenger

You might double check the connection to the coil packs, fuel inectors and plug wires. Maybe they aren't fully snapped together?

^ This.

Happened to me. One of the coil packs didn't snap all the way together. So, plugs, wires, coil packs, and then also visibly check O2's for damage also just in case, or just replace them. The SES light will always be on but it should be solid. To get the light to go away you need to get a tune to delete the codes from the computer.