Question about 1996 Kia Sportage

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My kia wont start it seems to back fire on 1 exhaust stroke but it tries to start. but no go, timing belt and spring replaced timing set

Com test 40 to 60 . new wires and plugs and coil packs. wiring to coils new. no water in the oil it was over heated still stumped

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According to DRE99gsx on supraforums.com who has similar problems: "btw, I found the problem, and SHE STARTED! After inspecting all 3 sensors, I determined that the crank sensor was the only unknown. I compared the intake cam with a stock intake cam to verify the cam sensor tabs were in the same locations, 180deg apart. They were. Since the sesnors and wiring all checked out, I then proceded to verify that the crank timing plate was in the right location. Well, it wasnt. After removing the timing belt covers, I noticed the timing belt was not using the entire crank timing belt gear. 1/8th of the belt was sticking out past the rear end of this gear.

Turns out the timing plate behind the gear was not pressed into the gear. I thought you slide on the plate, then the gear, and they press into each other (as long as the plate's tab lines with the gear's groove). I guess not. I removed them both and pressed them together in a vise, heard a click, and realized this could have been the issue.

The crank sensor was seeing erratic signals as I was turning the crank. I'm sure if I had an oscilloscope handy I could have caught this quicker, but through process of elimination, gold was scored.

Thanks for the help. She fired up and idled like it should. 80psi oil pressure (cold), fuel pressure was good, etc etc. "

Posted on Apr 20, 2015

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