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.
2008 Toyota Avalon LimitedFACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA SPECIFICATION CHART
| Spark plug | - | |
| Require spark plug | DENSO made | FK20HR11 |
| Electrode gap | Correct electrode gap for new spark plug | 1.0 to 1.1 mm (0.039 to 0.043 in.) |
| Maximum electrode gap for used spark plug | 1.4 mm (0.055 in.) | |
| VVT sensor (Intake camshaft Bank1) | - | |
| Output voltage | VV1+ - VV1- | 3.375 to 4.950 V (Hi) |
| VV1+ - VV1- | 0.450 to 1.375 V (Lo) | |
| VVT sensor (Intake camshaft Bank2) | - | |
| Output voltage | VV2+ - VV2- | 3.375 to 4.950 V (Hi) |
| VV2+ - VV2- | 0.450 to 1.375 V (Lo) | |
| Output voltage VVT sensor (Exhaust camshaft Bank1) | - | |
| Output voltage | EV1+ - EV1- | 3.375 to 4.950 V (Hi) |
| EV1+ - EV1- | 0.450 to 1.375 V (Lo) | |
| Output voltage VVT sensor (Exhaust camshaft Bank2) | - | |
| Output voltage | EV2+ - EV2- | 3.375 to 4.950 V (Hi) |
| EV2+ - EV2- | 0.450 to 1.375 V (Lo) | |
| Output voltage Crankshaft position sensor | - | |
| Resistance | Cold | 1, 630 to 2, 740 Ξ© |
| Hot | 2, 065 to 3, 225 Ξ© | |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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