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AMD, Master Technician
Category: Car
Satisfied Customers: 2721
Experience:  L1 Advanced Level Diagnostics Specialist
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Kia Optima 2004 2.4l :It started with replacing the head gasket,

Customer Question

Kia Optima 2004 2.4l :It started with replacing the head gasket, So i changed timming A. the car ran for two week and stop. I figured it had something to do with fuel problem, so put a new fuel pump/ filter.,I put a OBD2 tool on it came back got crank shaft sensor, circuit A. I also got Crank position sensorit and i replaced it. now i open it up and find out timming belt B needs to be replaced. i just found out that the timming belt and the balance belt need to be replaced at the same time. I got it back together all marks line up and i car crank over but, it didn't startup. the engine wants to start. The OBD2; keeps comming back my circuit A sensor. believe that I have belt B clocked right. It aslo tested a lot of connections and fueses.I need HELP with this car. A.S.A.P.
Submitted: 1 year ago.
Category: Car
Expert:  AMD replied 1 year ago.
Hello and thank you for trusting us with your Car question, My name is XXXXX XXXXX I will be assisting you today.

When you took out the timing belt out, did you put back the sensing plate for the crank sensor? When you took it out again, did you see if it's placed correctly and if it's not damaged?
Customer: replied 1 year ago.


i just put on the timimg belt and belt b. everything was aline. i didnt put nothen eles on. No pullies and tryed to fire it up. after i replace belt b. there was no damage to it.

Expert:  AMD replied 1 year ago.
Did you try to erase the code and try again?
Customer: replied 1 year ago.

yes. and it still pop up the code.

Expert:  AMD replied 1 year ago.
OK, when you replaced the sensor, did you verify that all the wiring is good? Do you have a multimeter so we can run some tests?
Customer: replied 1 year ago.

yes. i tested itand just about all the other wiring. i could not find the master relay or fuel pump relay.


 

Expert:  AMD replied 1 year ago.
OK let me recap a few things,

Are you sure that both timing belts are lined up correctly or do you need instructions on how they line up?

Where did you buy the crank sensor from?

Also did you check the resistance of the crank sensor from the wires to the engine ecu to make sure that you don't have a damaged wire?
Customer: replied 1 year ago.

on the smaller belt, belt b. there is a mark on the engine and a white dot on the gear but im not sure if thats my mark that on the gear. as for the timing belts everything was alined. i bought the crank sensor from the dealership.
i tested the wires from the engine and when i plug up the meter i can hear a noise coming from glove conpartment.

Expert:  AMD replied 1 year ago.
OK use these pictures and see if you timed it the same

FOr timing belt b:
graphic

For the main timing belt:
graphic

For the cam sprockets it's pretty straight forward and I couldn't find a picture of the marks.
AMD, Master Technician
Category: Car
Satisfied Customers: 2721
Experience: L1 Advanced Level Diagnostics Specialist
AMD and other Car Specialists are ready to help you
Customer: replied 1 year ago.


so when i aline all this stuff and it still doesnt work. could there be another problem..also is there a master relay on this type of cars, i dont know. i checked the fuse box and did not see anything.

Expert:  AMD replied 1 year ago.
Well the relay is irrelevant in this case, we have a code for a crank position sensor, by the way what's the code number? The crank position sensor will prevent the car from starting.
Customer: replied 1 year ago.

i dont have on me but i think po335 crank position sensor circut a.


 

Expert:  AMD replied 1 year ago.
OK we will need to run some tests on the wire harness, Are you sure that the sensor is seated properly? Are you sure that the connections for the sensor are properly connected and that no rust exists on the vehicle side of the connector?

Also do you have a multimeter?
Customer: replied 1 year ago.

i cnt run a test just yet. im not with the car.i know the sensor is seated correctly, i checked the connections for rust. on the end of the connection im checking for volts right and on the sensor ohms.

Expert:  AMD replied 1 year ago.
OK we will need to be near the vehicle to check the signal, do you think you can be near the vehicle so we can run the tests?
Customer: replied 1 year ago.


its across town sorry. just give me the info and i would have to applay it later.


 

Expert:  AMD replied 1 year ago.
OK turn the key to the off position then connect your volt meter to the purple wire and the black wire then turn the key on, you should get battery voltage there, these wires are found on the connector of the crank sensor on the vehicle side not the sensor side. let's start with this. let me know
Customer: replied 1 year ago.

ok thanks. it be later on. but i will test them. thanks for the help. i will make sure that givr you a good rate sir.

Expert:  AMD replied 1 year ago.
You're welcome. I just hope we find the problem soon so you can have your car back on the road.
Customer: replied 1 year ago.


lol..forsure its the thorn in my ass..

Expert:  AMD replied 1 year ago.
I know, Hopefully we'll figure it out soon.

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