Idle Speed/Ignition Timing/Idle Mixture Ratio Inspection - Exhaust Gas Sensor Check (Cont'd)
EF & EC-30flowchartExhaust Gas Sensor Check (Cont'd)
1
D (from previous page)
2
Check "CO" level: 1) Check the CO and HC content with a "CO" meter. Idle CO: less than 0.1%, HC: less than 50 ppm
O.K.
INSPECTION END
N.G.
3
Check fuel pressure regulator
4
Check air flow meter
5
Check injectors and injector circuit
6
Check engine temperature sensor and its circuit
7
Check E.C.U. by replacing it with a known good E.C.U.
8
A (returns)
| Specification | Value |
|---|---|
| Idle CO | less than 0.1% |
| HC | less than 50ppm |
Idle CO
less than 0.1%
HC
less than 50ppm