HESITATION, SAG OR STUMBLE (continued)
CHECK SENSORS AND CONTROLS FOR:
1.
Binding or sticking Throttle Position (TP) sensor or salt corrosion. Throttle Position (TP) sensor
voltage should increase as throttle is moved toward Wide Open Throttle (WOT).
2.
3.
4.
5.
Throttle Position (TP) sensor-5 volt reference CKT 416 for open, DTC 21 may be set.
Throttle Position (TP) sensor circuit for open or grounds, DTC 21 may be set.
Manifold Absolute Pressure (MAP) output voltage check.
Coolant sensor out of specification (Hi or low)
ADDITIONAL CHECKS
1.
2.
3.
Proper alternator output voltage.
Faulty or incorrect thermostat.
Throttle linkage sticking, binding, or worn.
Index
5C-122 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
90-823224--2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
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