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Old 12-24-2005, 00:01   #11 (permalink)
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Re: ford ranger rough idle p0301 and p0171

Just an FYI, the EGR does not need to be replaced when the diff sensor goes
bad. Its just carbon build up in the sensor that causes it to go bad. As for
the fuel filter, there is no special tool. There are just 2-3 sets of clips
that you have to pull out to replace the filter. A new filter should come
with new clips, but if not your parts retailer should carry them in stock
and they should be available in a multipack so you can fit all your lines.
On my Ranger I have 3 ports on the filter (flex fuel, 2 lines on regular
engines) and the pack fixed me right up. I always break a couple clips when
I change my filter. If you are having a hard time getting the clips out,
push the fuel lines down onto the filter then pull the clips, its much
easier. Also rotate the lines a quarter turn each direction to help them
slide up and down on the ports.

"pedal tothe metal" <> wrote in message
> Strange that you should mention that.
> This past spring that device and the egr were both replaced. In that
> case the check engine light did come on. That repair was so
> expensive, $500, (@ firestone) that I'll not do that ever again. As
> you might be aware, the cost for both egr parts is like $160 at
> autozone. Firestone was charging double that for the parts and then
> exorbitant labor. You know there is profit at $160, and you can guess
> the profit at $320. I used to go to firestone regularly for repairs
> but have moved and the local store act like crooks. After the repair
> I asked about what I should do if the light comes on again. I
> expected to hear: we warranty what we sell. Instead I got: well, it
> would probably be something else we didn't work on.
> I had another run-in with firestrone a couple of weeks ago about
> rotating my tires (a free service) and once again they acted like
> crooks.
> Anyhow...
> I'm fairly sure that my problem is a fuel filter that is
> disintegrating and the pieces are clogging the injectors. The filter
> is original equipment. Unfortunately it looks like I've munged the
> special tool required to release the filter and will have to do some
> fuel line cutting and replacing. I think I'm going to wait for warmer
> weather before undertaking.
> Thanks for the feedback...
> On Fri, 23 Dec 2005 05:41:34 -0600, "pkurtz2" <> wrote:
>>I had this issue on my 2000 Ranger with the 3.0 flex. On top of your
>>should be a sensor mounted with 2 rubber hoses running down to your EGR
>>tube. The sensor is called the Exhaust Gas Pressure Differential Sensor.
>>They are known to clog. The pain is that there is no code for this
>>it just tells you something else, and you have to cross the ford part # to
>>get a new one. O'reillys got mine for me at the price of $55. Check it
>>Let me know.


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