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04-25-2011, 06:28 PM
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#1 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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It's possible the cat is in bad shape. I'd suggest advancing the timing but it may result in a rise in NOx emissions. Check the EGR system to make sure it's functioning and that the passage in the Y pipe and upper plenum are clear of clogs and buildup. Make sure you're setting the timing correctly, you MUST jumper TE and E1 and set to 10?BTDC. And test the AFM (look for signs of tempering too).
Any mods on the car?
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04-25-2011, 07:02 PM
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#2 |
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Stock
Join Date: Dec 2010
Location: murrieta,ca
Posts: 17
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only mod i see is that after the cat is it has 2.5 straight back, and ive read the digital manuel tons of times yet i dont understand how to test my egr for proper operation, and my timing is perfect at 10 degrees btdc. as for the cat like i said before i have no idea when it was last serviced or replaced but i believe it was round late 05 to early 06, but when i picked up the car for my motor swap it had been sitting outside in like a yard/feild (not being cared for at all) like the muffler was replaced because it was rotted out when i got it other than that thats all ive changed
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04-25-2011, 07:30 PM
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#3 |
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Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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Engine swap's a biggie when it comes to the EGR. Where's the engine from? In a number of places EGR wasn't used until later. It may not be present or may be missing components... check all that first (don't forget the rear cooler plate. Then clean out the EGR airways, test the EGR VSV, then the valve.
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