[s-cars] full throttle miss - B5 A4 1.8t

[derocco_16v at comcast.net]

My call would be a bad spark plug; I had something very similar happen to me a while ago, and found a cracked spark plug-replaced it and car feels great again. Good luck :) 

Martin, 

----- Original Message ----- 
From: "Lee Levitt" <lee at wheelman.com> 
To: "S-CAR list" <s-car-list at audifans.com>, quattro at audifans.com 
Sent: Thursday, March 25, 2010 8:19:12 PM GMT -05:00 US/Canada Eastern 
Subject: [s-cars] full throttle miss - B5 A4 1.8t 

Patient is an '01 B5 A4 1.8t with 130K, recent coilpacks, APR chip. Nothing has been changed on the car in the recent past. On heavy throttle, it feels like I'm dropping a cylinder at 2800 RPM. Nothing lower, and nothing at part throttle. When I've lost coilpacks, the power loss is a lot more severe. This is more moderate, feels a bit like hitting the rev limiter. Any thoughts on what this might be? Bad spark plug? Fuel filter? If it matters, the car is silver. Thanks! Lee 
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