Hi,
I have a 1994 ford escort 1.9 lx wagon. recently, the check engine
light has been coming, but it doesnt stay on. if i accelerate, then the
light comes on, but if i break and come to a stop, the light goes out.
i thought that maybe the transmission fluid might need changing, so i
took it for a flush and refill, but that didnt fix it, so i got the
error codes read. it is an obd1 error code readout and the codes were
181 and 186. does anyone know what these mean and what would need to be
fixed??

thank

181(M) Fuel system was lean at part throttle Single, Right or Rear
HO2S - Fuel control

186(M) Injector pulse width longer than expected or Mass Air Flow
(MAF) lower than expected - Fuel control


http://www.troublecodes.net/Ford/

shaolin_dragon

Thanks for the quick reply. Do you happen to know what would need to be
done to get these fixed?? would new parts be needed, or is it just
adjustments that can be done at a local garage?

Thanks for your help again.

bob burkett

I have a 1999 Ford Ranger. The check engine light came and stays on.

The ABS light comes on sometimes and stays on for an hour or two. Yet, the
Sears car repair people checked it and found nothing wrong.

All the panel meters read normal.

What are the general items that can cause this condition? What inputs to the
computer?

Can a person buy a "OBD 1 & 2 code reader scanner" to exercise some enhanced
troubleshooting techniques. What do these testers cost?

Bob

happy traveler

It teaches you something about Sears auto service, does it not? I have seen
them install a battery and change oil with reasonable skill, but that's
probably where it ends. Didn't even know that they claim to service brakes
or engine electronics.

There are easily 500 reasons for the CEL to turn on; nobody will even offer
a guess without at least reading the stored trouble codes. You can have a
place like AutoZone do that for free or buy an OBD2 code reader at auto
supply stores for $100 or so, but neither will do much more than satisfy
your curiosity about what tripped the CEL. To perform diagnostics you will
need a scanner; two-three times that expensive, at least. Still, those won't
access anything beyond the power train (engine and transmission) management
computer, so don't count on diagnosing your ABS with them. One vendor,
'AutoEnginuity' (sp?) claims that their inexpensive scanners can do much
more. If anyone has experience with that brand, I'd love to know.

tim j.

It's Sears. 'Nuff said.


You can get a cheap-o one that will only tell you the codes for less
than $100. If you have an Advance Auto or AutoZone around, they will
generally read the codes for you at no cost. BTW, for a 1999, you'll
only need an OBD II.

mike hunter

The 'Check Engine' light is illuminated any time the vehicles microprocessor
is operating outside of it design parameters and thus polluting.

It has nothing to do with fluid levels or pressures. Take the vehicle to a
competent tech, who has the proper test equipment, to have the fault
****yzed and corrected, WBMA.

The ABS light has nothing to do with the 'Check engine' light. It too
requires the proper test equipment, like found at you local FLM dealer, to
****yze the fault.

mike

bob urz

It has nothing to do with the "microprocessor" operating out of design
parameters. The micro is probably fine. Its the program in masked rom
that the micro is running that is finding fault with some system or
sensor on the cars electrical systems at some point in its operation
that is outside of its tables of acceptable values.

Of course that is what you meant to say.


You got that right. Sometimes you can get free scans at some autoparts
stores that might give you a hint of the problem. Sometimes you have to
pay the piper and go to the dealer.

Bob

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