2002 Kia Rio problem starting

Tiny
CKRETZER88
  • MEMBER
  • 2002 KIA RIO
  • 4 CYL
I got a 2002 kia rio an when I try to start it it won't. It trys to start fr a quick sec but wont I replaced spark plugs an wires I have good fuel to injector rail. When I crank it it sound like it wants to start but jus doesn't completely. What can I do as in checking parts or what are the typical things that could cause it to act this way
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Sunday, March 29th, 2015 AT 12:33 PM

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Tiny
DR LOOT
  • EXPERT
SYMPTOMS > CRANKS NORMALLY BUT WILL NOT START

Check for strong spark.
Check fuel pump operation.
Check fuel injector operation.
Check fuel system pressure.
Check spark plug condition.
Check timing belt condition and alignment.
Check engine compression.
Check Camshaft Position (CMP) sensor.
Check Crankshaft Position (CKP) sensor.
Check voltages of Mass Airflow (MAF) sensor, Throttle Position (TP) sensor, ignition coils and Engine Coolant Temperature (ECT) sensor at Engine Control Module (ECM).
Check for contaminated MAF sensor.
Check intake air leak.
Check Engine Control Module (ECM) power and grounds.
If no start after engine is warmed up, disconnect ECT and check if engine starts.

SYMPTOMS > CRANKS NORMALLY BUT DIFFICULT TO START

Check for strong spark.
Check ignition timing.
Check Engine Control Module (ECM) ground and power circuits.
Check intake manifold vacuum. Vacuum should be more than 17.7 in. Hg at idle.
Check air filter element.
Check if engine starts with throttle 1/4 open. If engine starts, check for carbon deposit on throttle valve.
Check fuel pump operation while cranking engine.
Check fuel injector operation while cranking engine.
Check fuel pressure while engine is idling.
Check fuel system holding pressure.
Check spark plug condition.
Check engine compression.
Check terminal voltages of Mass Airflow (MAF) sensor, Throttle Position (TP) sensor, ignition coils and Engine Coolant Temperature (ECT) sensor at Engine Control Module (ECM).
Check for contaminated MAF sensor element.
Check Idle Air Control (IAC) valve.
Check if engine starts with ECT disconnected.
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Sunday, March 29th, 2015 AT 7:59 PM

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