Car starts some time. fuel system has been checked and all fine. starter has been replaced. battery is new. if engine fails to start cranking the key unto 10 times sometimes makes it turn over.
I pretty.certain it.to do.with.gear linkages either one of the tie rods has snapped come off their respective ballpoint or there is a large rubber ball like bushes that sit in a cylinder shape hole on the end off the gear selector rod thats either fell off or badly worn the later most likely hope.It help you.would be able also to see if it the later just by jacking car up and looking up centre car back of engine
SOURCE: 2004 Kia Sedona wont start but i can hear starter.
if the starter is revving very slowly it is the battery, charge battery. if not, It can be three things happing. 1 no spark 2 no fuel 3 no crank signal or the car computer is bad- you will need to unplug one of the spark wires and remove the spark plug and put the spark plug in the spark plug wire boot, and touch the spark plug on any metal on the car and have some start the car. donot touch the spark plug itself and see if there is a spark. if spark is bright, then it is not spark plug and wires but if no or spark is not bright, check the spark plug wires by applying a little bit of water on the spark plug wire and take a 12v test light, connect the clap to ground and and have some one to crank the vehicle, touch allover the spark plug wires with the tip of the test light, if you see spark, replace the wires and change the plugs.. they are not good. if spark is present, check for fuel by removing any one of the spark plugs and see if it is wet. if wet fuel pump is ok but if not go look for the fuel pump fuse and relay. is fuse blown, replace, check the relay resistor with a volt meter. it should be around 40 to 80 ohm. if everything is good from this point check the fuel pump itself by disconnecting the connector to the pump and apply 12v and ground using jumper wires or some wires to the fuel pump if you donot hear the pump,replace pump. if you, the crank signal or computer may be the problem
SOURCE: 2000 kia sephia won't start
hello. i am not a mechanic but maybe our cure for our kia would help someone else. our 2000 kia wouldnt start, the lights and everything would come on but it wouldnt turn over. we replaced starter, battery, etc. finally my husband just paid our mechanic $130 and we bypassed the starter with a manual push start button. now when it doesnt want to start i just hit the button (after i turn on the key) and it starts every time!
SOURCE: my kia just cranks and wont start sometimes
need to see it when it wont to start to diagnose the problem .one tip though and thats to keep the key away from a mobile phone ,or leaving key on top of the tv .the magnetic bar code can be affected by a strong magnetic field signal
SOURCE: 2004 Kia Optima no start after timing belt, crank, cam sensor replacement
did you use aftermarket crank sensor? if so that might be your problem. dealer has several different ones, by providing vin number, but there is only one after market for all optimas 01-05. try to connect thick pink wire and thick orange wire together on the ignition failure sensor. you might have the same problem as me. good luck.
SOURCE: the only fault code on 2001 kia sephia is P0422,
P0422 - Catalyst below threshold.
Catalytic converter is clogged or out of medium.
Replace it.
ACTUAL DIAGNOSTIC:
Fault Code Definition
Code P0422 indicates that the Bank 1 Main Catalytic Converter's
emissions efficiency has fallen below the minimum allowable limit. This
threshold is tracked by a Catalyst Monitoring Oxygen Sensor located on
or near the outlet of the Catalytic Converter.
Symptoms
* Check Engine Light will illuminate
* In many cases, no abnormal symptoms may be noticed
Common Problems That Trigger the P0422 Code
* Defective Catalytic Converter
* Engine misfires have damaged the Catalytic Converter
* Internal engine damage resulting in high oil consumption and/or a leaking Head gasket has damaged the Catalytic Converter
Common Misdiagnoses
* Oxygen Sensors are replaced when the real problem is a damaged Catalyst
* Catalyst is replaced when the real problem is internal engine damage, which is producing elevated emissions levels
* Catalyst is replaced when a misfiring engine is the real problem
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