EasyManuals Logo

Mercury V8 250 User Manual

Mercury V8 250
302 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #109 background imageLoading...
Page #109 background image
Summary of Fault Correction Possibilities
• Remove the obstruction from the throttle body assembly.
• Correct the wiring problem.
• Replace the throttle body assembly.
ETC_TPSDisagree
Fault Type: Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Nonsticky Critical 7% 331‑6 Yes 4
Explanation
The throttle position sensors do not agree.
Possible Causes
• Wiring problem
• Failed ETC
Summary of Fault Correction Possibilities
• Repair the wiring problem.
• Replace the throttle body assembly.
EncoderFaultCrankCamTrigger
Fault Type:
Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Nonsticky Critical 100% 1052‑6 Yes 3
Explanation
Either the crankshaft position sensor (CPS) or the camshaft position sensor does not appear to be working properly.
Possible Causes
• Wiring problem
• Defective crankshaft position sensor
• Defective camshaft position sensor
• Mechanical timing problem
Summary of Fault Correction Possibilities
• Correct the wiring problem.
• Inspect the crankshaft position sensor.
• Inspect the camshaft position sensor.
• Correct the mechanical timing problem.
F ..........
FULP_OutputFault
Fault Type:
Horn: Guardian: UFC: Transmission to Helm: Freeze Frame Priority:
Nonsticky Critical 100% 3061‑16 Yes 3
Explanation
The fuel pump does not appear to be working properly. The PCM detected a problem when trying to send a signal to the fuel
pump relay.
Possible Causes
• Fuel pump relay wiring problem
• Failed fuel pump relay
Fault Codes
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 4A-19

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury V8 250 and is the answer not in the manual?

Mercury V8 250 Specifications

General IconGeneral
Engine TypeV8
Horsepower250 HP
Displacement4.6L
Fuel Induction SystemElectronic Fuel Injection (EFI)
SteeringHydraulic Steering
Gear Ratio1.75:1
Cylinders8
StartingElectric Start
Full Throttle RPM Range5200-6000 RPM
Alternator Amp85 amp
Shaft Length25 in
Weight527 lbs
Fuel TypeUnleaded 87 octane minimum

Related product manuals