Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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Content .. 1256 1257 1258 1259 ..
6E1–108 RODEO Y22SE 2.2L ENGINE DRIVEABILITY AND EMISSION Manifold Absolute Pressure (MAP) Output Check
Step Action Value(s) Yes No 1 1. Turn the ignition OFF and leave it OFF for 15 seconds. 2. Ignition ON. Do not crank engine. pressure (MAP) sensor voltage. 4. Compare this scan reading to the scan reading of a known good vehicle obtained using the exact same Is the voltage reading the same +/– 0.40 volt? — Go to Step 2 Go to Step 5 2 1. Disconnect the vacuum hose at the MAP sensor and plug the hose. 2. Connect a hand vacuum pump to the MAP sensor. voltage change. Is the voltage change 1.5–2.1 volts less than step 1? — Go to Step 3 Go to Step 4 3 Check the sensor hose for leakage or restriction. Does the hose supply vacuum to the MAP sensor only? — Go to Step 5 Go to Step 4 4 Repair the hose to ensure the hose supplies vacuum to Is the action complete? — Verify repair — 5 Check the sensor connection. Is the sensor connection good? — Go to Step 6 Go to Step 7 6 Refer to On–Vehicle Service, MAP Sensor. Is the action complete? — Verify repair — 7 Repair the poor connection. Is the action complete? — Verify repair — |