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Curtis, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1606
Experience:  Qualified Automotive Mechanic, LPG & Airconditioning Diagnostic Technician.
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I have a 2003 toyota rav4 2.0 with a 1zz engine. The car

Customer Question

Hi, I have a 2003 toyota rav4 2.0 with a 1zz engine. The car idles fine then suddenly revs drop off and sometimes cuts out
JA: How many miles are on the car? What size is the engine?
Customer: 260,000km 2.0l petrol
JA: Are you fixing your RAV4 yourself? What have you tried so far?
Customer: yes it has no fault codes logged and all oxygen sensors have been replaced also the idle control valve
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 8 months ago.
Category: Australia Car
Expert:  Chad Farhat replied 8 months ago.

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Expert:  Chad Farhat replied 8 months ago.

hey how are you

1- the MAF sensor (mass airflow sensor )

2- The CKP sensor (Crank shaft position sensor )

these 2 sensors are common about causing this issue with out login a fault codes ?

3- what are the fuel trims ,for long term & short term at idle, if yiu get me that , i can be more accurate for you

4- are the oxygen sensor B1S1 , is it fluctauating from 0.1 volts t0 0.9 volts at idle

Please let me know

Thank You

Chad Farhat

ASE Certified Technician