2sz-fe poor fuel economy

[pwuser162374518264]

Brother I want to meet you. Yesterday the car gave me an average of 8 km/L
Your contact number?

[asadgitl]

Aol brother contact me I’ll guide you do it your self or let machenic to be followed instructions step by step, I had same issue and Alhamdulilah engine soundless smooth and average marking 19 + km/l. Without changing any sensor , if you want my help I can give you instructions on call

[asgharpwr]

Why not to share here for the benefits of others too.

[asadgitl]

Why not sir I have posted an article in pakwheel all my worked done you have have it , for any other help you can ask me I’ll be best to suggest

[asadgitl]

Here is link step by step checking , you are welcome to ask if any help I can do

Project EFI engine performance while no error code

Article : Project EFI engine performance while no error code Work performed on : Toyota Platz 1.0L Year : 2000 Engine : 1SZ-FE Symptom and issue: 1-Low power, load on AC and ramp. 2- Engine pick up hesitation in between 1200 to 1500 RPM 3- Lower fuel average 9– 11 km/l City drive 4- Engine efforts to reach speed 100km/h 5-Hard paddle to accelerate 6- RPM decreases while on D or R brake pressed, results engine vibration. Maintenance history: According to different mechanic and electrician c…

[asgharpwr]

Thank you for sharing. But im afraid obed calculated milage is not correct. Best is to calculate using full tank method.

[horticulturalist]

Ok i saw your message

[asadgitl]

JYes but it’s depends the configuration which sensor based you are going to calculate best configuration is measured from injectors pulse calculation , I have tested during traveling gwadar to Karachi by fuel tank method I have marked 17.5km/l on ac speed around 110 to 120. Which was same as obd meter, light Paddle speed 40 to 60 I’m getting better around 19. Remember that I have 1000cc engine 1st-fe !

[pwuser162374518264]

Problem solved thank you asad bhai yesterday the car gave me an average of 17km/L you are very kind person the way you taught me is beyond words

[asgharpwr]

How did you solved it bro?

[pwuser162374518264]

brother the problem was with the o2 sensor.car was not giving check light or any codes than checked 02 sensor with digital multimeter no 12 volt was coming and Ltft was also zero.asadgitl will explain the rest in detail

[asadgitl]

Glad to hear that , I like to help people whatever Allah gave me knowledge and skills .