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Old 03-24-2011, 06:40 PM   #1
kman
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Bogging problem at 55mph

So I just replaced my dizzy with a brand new one and a new fuel filter too..whenever I hit 55 the car will start bogging and start to drop speed..what could cause this?
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Old 05-15-2011, 04:16 AM   #2
Ded_Lotus
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sounds like an O2 problem bro.
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Old 05-15-2011, 08:44 AM   #3
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It does indeed sound like an o2 sensor issue. Does your check engine light come on at the same time? If so, pull the code. Chances are good that it's code 43.

Replace the o2 sensor with a Densor or NTK/NGK unit. Nothing else. Most autoparts stores will sell you a Bosch sensor, and those do not work properly.
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Old 05-15-2011, 12:34 PM   #4
KeeleDesign
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Just out of curiosity did you put a timing light on and check your dizzy placement?

1. What is your car automatic or 5 spd?

2. what has been done to your engine such as upgrades?

3. like mentioned above, is your cel light comming on, if so, pull the codes and share the number with us.
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