1997 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS OBD port

13
*
[IS05000( ALL)01/96]
Modification or additions to the vehicle may
cause incorrect operation of the OBD II system.
Additions such as burglar alarms, cellular
phones, and CB radios must be carefully
installed. Do not install these devices by tapping
into or running wires close to powertrain control
system wires or components.
*
[IS05100( ALL)01/96]
The light comes on briefly when you turn the
ignition key toON, but it should turn off when
the engine starts. If the light does not come on
when you turn the ignition toONor if it comes
on and stays on when you are driving, have
your vehicle serviced as soon as possible. This
indicates a possible problem with one of the
vehicle's emission control systems. You do not
need to have your vehicle towed in.
*
[IS05200( ALL)01/96]
If the light turns on and off at one (1) second
intervals while you are driving the vehicle, it
means that the engine is misfiring. If this
condition persists, damage could occur to the
engine or catalytic convertor. Have your vehicle
serviced at the first opportunity. You do not
need to have your vehicle towed in.
*
[IS05300( ALL)01/96]
If the light turns on and off on rare occasions
while you are driving, it means that a
malfunction occurred and the condition corrected
itself.
*
[IS05500( ALL)01/96]
An example of a condition which corrects itself
occurs when an engine running out of fuel
begins to misfire. In this case, the Check Engine
Warning Light may turn on and will then set a
Diagnostic Trouble Code indicating that the
engine was misfiring while the last of the fuel
was being consumed. After refueling, the Check
Engine Warning Light will turn off after the
vehicle has completed three consecutive warm
File:03ltism.ex
Update:Fri Dec 13 11:17:22 1996

212 Index
O
Octane rating.............. 129
Odometer................. 20
description............... 20
trip odometer.............. 20
Oil filter..............104, 147
Oil (see Engine oil)........... 101
Oil viscosity.............. 101
On-board diagnostic (OBD II) system . . . 139
Overdrive................. 53
Overseas offices............. 164
P
Parking brake
operation................ 47
warning light.............. 11
Parts (see Motorcraft Parts)........ 147
PCV valve, specifications......... 147
Power steering
dipstick............... 113
driving with power steering....... 49
fluid, checking and adding....... 113
fluid, refill capacity.......... 148
fluid, specifications........114, 149
servicing................ 49
R
Rear axle
lubricant specification......... 149
refill capacity............. 148
Refill capacities for fluids........ 148
Regulations, National Highway Traffic Safety
Administration............ 163
Reporting safety defects......... 163
Restraints, safety (see Safety restraints),
adult.................. 1
File:ltixm.ex
Update:Fri Dec 13 11:25:54 1996