Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
On-Vehicle Inspection
- REMOVE AIR CLEANER ASSEMBLY
- Disconnect the MAF meter connector.
- Disconnect the VSV hose for CCV.
- Remove the 3 bolts and air cleaner assembly, air cleaner inlet, MAF meter together in one piece.
- INSPECT INJECTOR OPERATION
Check the each injectors for operation sound.
- With the engine running or cranking, use a sound scope to check that there is normal operating noise in proportion to the engine speed.
- If you have no sound scope, you can check it by feeling the injector operating vibration with your finger.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If no sound or unusual sound is heard, check the wiring connector, injector or injection signal from the ECM.
- INSPECT INJECTOR RESISTANCE
- Disconnect the injector connector.
- Using an ohmmeter, measure the resistance between the terminals.
Resistance: 11.6 to 12.4 Ω at 20°C (68°F)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the resistance is not as specified, replace the injector.
- Reconnect the injector connector.
- REINSTALL AIR CLEANER ASSEMBLY
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.