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Trail Runner
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598 Posts
Discussion Starter · #1 ·
My father-in-law just bought a real nice 94' Toyota x-tra cab with the 4 cyl.. He said that it pings when going uphills. He tried super unleaded and says that it still pings. Our guess would be timing, but not to sure how the computer would react to that. Do you adjust the timing manually or does it do it electronically.
 

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148 Posts
My motor and computer are out of an 88 so adjusting the timing should be the same. You just need to make sure that you run a jumper wire the same as if you were pulling the trouble codes. How many miles are on the timming chain?
 
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