1996 FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS OBD port

25
*
[LG04575( ALL)05/95]
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.
*
[LG04600( ALL)05/95]
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.
*
[LG04625( ALL)05/95]
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.
*
[LG04650( ALL)05/95]
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.
*
[LG04675( ALL)05/95]
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
up cycles without a misfire condition occurring.
A warm up cycle consists of engine start from a
File:ltlgm.ex
Update:Tue Jun 20 16:47:10 1995

Index 217
N
National Highway Traffic Safety
Administration............. 99
New vehicle break-in........... 7
O
Octane rating.............. 112
Odometer................ 32
Oil filter................ 164
Oil (see Engine oil)........... 119
On-board diagnostic (OBD II) system . . . 162
Overdrive................ 50
P
Parking brake
operation............... 57
warning light.............. 23
Parts (see Motorcraft Parts)....... 164
PCV valve, specifications........ 164
Power distribution box (see Fuses).... 150
Power steering
dipstick............... 143
driving with power steering....... 53
fluid, checking and adding...... 143
fluid, refill capacity.......... 164
fluid, specifications.......... 144
servicing................ 53
R
Rear axle
lubricant specification......... 165
refill capacity............. 164
Refill capacities for fluids........ 164
Reporting safety defects.......... 99
Roadside assistance............ 92
Roadside emergencies........... 79
Rotating the tires............ 131
File:ltixm.ex
Update:Tue Jun 20 16:42:52 1995