car cranks but wont start on 1995 Kia Sephia

cranks but wont start. replaced fuel pump and it ran great for 3 weeks, now same exact problem. replaced fuel pump again but will not start. replaced spark plugs & wires, distributor cap & rotor. still wont start. could i have got 2 bad fuel pumps in a row? the fuel pump relay works

by in Harlingen, TX on October 21, 2010
3 answers
ANSWER by on October 21, 2010
no, not likely. you need to check for spark, fuel delivery and compression. you all of these for the motor to run. take it to a shop for a diag and a bid. Roy
ANSWER by on October 21, 2010
have you check fuel pump relay?
ANSWER by on October 21, 2010
You need to follow logical diagnostic procedures when the engine stops running to figure out what is going on. A proper wiring diagram, a good volt/ohm meter is the least you will need, an oscilloscope and scan tool may be needed to get to the root of the problem. Kia as a car manufacturer put a lot of great technical information and work shop manuals on line for free for Kia owners.
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