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The scan tool indicates Diagnostic Trouble Code (DTC) P1128: Manifold Absolute Pressure (MAP) lower rhan
expected.
The scan tool indicates Diagnostic Trouble Code (DTC) P1129: Manifold Absolute Pressure (MAP) higher than
expected.
-
Th€ MIL has b€en reoortod on.
-
DTC Pl128 is stored.
Problem vorification:
1. Turn the ignition switch ON {ll}.
2. Check the MAP with the scan
t o o l ,
ls 54.1 kPa (406 mmHg, 16.0
in.Hg) or higher indicated?
Intermittent laihre, system i3 OK
at this time.
-
The MIL has been reooned on.
-
DTC P1129 is stored.
Problem verification:
1 . S t a r t t h e e n g i n e . H o l d t h e
engine at 3,000 rpm with no
load (in Park or neutral) until
the radiator fan comes on, then
let it idle.
2. Check the MAP with the scan
t o o l .
ls 43.3 kPa (325 mmHg, 12.8
in.Hg) or less indicated?
Intermittoni lailure.3ystem is OK
at this time.
11-57
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Troubleshooting
