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Discussion Starter · #1 ·
i have had this CEL now for about 4 or 5 months on my 2003 1.8t. i can not seem to get rid of it. i installed a cone style open element filter and about 2 weeks later once the weather started getting up in the 90s this light came on. the most my boost peaks at is 18 to 19 and drops quickly to 15 in 1st, 4th and 5th and drops to 10 in 2nd and 3rd. so i dont think my boost is running much higher than anybody else. could simply sucking in all the engine heat be causing this problem. if so would building a heat shield help? i have even tried a overboost kit and doesnt seem to even lower my boost at all.

please help....
 
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