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This is my first time posting but I have read your post and found them to be very helpful. Just bought a 94 Blazer and fixed most of the problems but 2. The main one the car lunges forward when going up hill. During a sraight away it runs fine. Any ideas what it could be? It has a new tank, fuel pump, fuel filter and just gave it a tune up? Your help will be appreciated. The second problem is my abs sensor. How difficult of a job and should I beaware of something before I do that sensor. :confused: :confused:
 

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I Had the same problem with my 1993 s10 blaazer, Does yours have a 4.3 vortec with a cfi or tbi?
If you have the cfi enhanced vortec then your problem may be your egr valve is clogging or your coil pickup is bad.
 
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