Chevrolet Optra - Recent Questions, Troubleshooting & Support

Question edited for clarity and multiple typos. Question moved to model category. It may be an issue with Shift Solenoids. You need an auto electrician with a professional grade, bi-directional scan tool computer. It can instruct the solenoids to operate and then verify that they did. You can't guess these things. https://www.google.com/search?q=mobile+auto+electrician+near+me ..

Reference the radio coding we can't help as this code always is given by the car manufacturer through the the car suppliers and always by giving the chassis number.

Only 2 and 3 injectors are firing on my Chevrolet optra,I checked and see that there is no injectors pulse on number 1 and 4 injector,can anyone help please

There's a website that has all this information about all this and manuals everything totally free there are many actually but I personally like few . . let me know if u need help thanks

Every engine can... it happens when you try and restart the car... when the engine is running and the timing belt breaks everything is moving so it doesn't usually damage anything... when everything is stopped your piston slams into the valves and bends them. He'll of a big job

You need to go to a dealer, take the VIN code the number from the radio and most important of all proof of ownership, they have a number to call to get the code. I hope this helps. Take care.

There should be a radio code with the manuals in the glove box.

For auto transmissions with NO dip stick and filler tube in the engine bay, the fluid has to be pumped in by removing a filler plug on the side of the transmission. You must use the correct procedure for this so the transmission is not under or over filled and the vehicle needs to be perfectly level when doing this. It is best left to a professional. Take the car to a Chev dealer to have it done and get them to drain the old fluid from the transmission and refill.

Should be right beside the harmonic balancer on the front of the engine!

There's a website that has all this information about all this and manuals everything totally free there are many actually but I personally like few like reliable-store .. let me know if u need help thanks

google firing order diagram for 2004 chevy optra

you might have a faulty stop sensor that is usually located on the brake pedal

Hi there:On your vehicle, the fuel filter is inside the tank and cannot be replaced seperatly.Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.Thank you for using Fixya, and have a nice day.

Sounds like you don't know too much . Your best bet ,take it to the dealer . Replacing ECU needs to be reprogrammed . Inlet air control unit ???????? Throttle body . Electronic throttle body ! Have checked for DTC'S - diagnostic trouble codes . It's hard to fix something you don't know about .