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What to look for

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Old Nov 16, 2004 | 08:37 PM
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e g rred
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What to look for

My son has a 01 ranger 4x4 with 4.0 115000 miles ---trouble codes are 0171 and 0174 and then 0733 does anyone know what to look for ? thanks in advance
 
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Old Nov 16, 2004 | 08:48 PM
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Here's your codes:
https://www.ford-trucks.com/article/...tic_Codes.html
It says both banks are too lean and the 0733 is 'improper ratio for third gear'. Now you just need someone to translate that into English.
 
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Old Nov 16, 2004 | 08:52 PM
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The 0171 is lean back 1 and 0174 is lean bank 2, I would start by looking for vacuum leaks and cleaning the MAF, there are instructions for this in the tech info thread at the top of the forum. I don't have a code 0733 listed for a Ranger.
 
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Old Nov 16, 2004 | 09:22 PM
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thanks for the reply to all , so does the 01 tranny still use vacuum ? if so are the three codes related?
 
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Old Nov 17, 2004 | 07:54 PM
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I don't recall any vacuum lines to the tranny but I haven't really looked.
 
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Old Nov 21, 2004 | 11:15 PM
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e g rredd:

here are the codes: http://autorepair.about.com/cs/troub...l_obd_main.htm

The 700 series codes should be transmission related. I would clear the engine problems and then retest.

Hope this helps.

Russ
 
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Old Nov 23, 2004 | 06:25 AM
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thanks to all the resonses. thought i would keep you posted on the lean on bank 1&2 seemly turned out to be a black rubber 90 deg elbow at the front on the engine . cleared the codes and so far they haven't returned while i'm here i still have a problem with 92 2.3 pinging at cruise speed IF the octane spout is in . remove it and the ping stops , but a loss of power i have decarboned , changed to a colder plug replaced egr evr egr position sensor
ect anyone ever had this problem before and know the fix ? 5sp manual 158000 miles thanks
 
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Old Nov 23, 2004 | 11:38 PM
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Some of the 2.3's just ping - period end of story. One thing comes to mind that has occasionally been a problem: when you worked on your EGR valve, did you completely clean the port that goes through the intake manifold from where the valve mounts at the back clear through to the intake side? Those sometimes get carboned up and therefore restrict the flow. This can cause the combustion to be too hot - which is why I assume you went to colder plugs.

Just a thought

Russ
 
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Old Nov 25, 2004 | 06:43 AM
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happy holidays to everyone thanks R. R. yeah i cleaned the egr ports but here is what i am trying now . i work at a metal shop so i took a piece of stainless steel and made a plate to match the egr valve but a much smaller hole trying to reduce the amount of exhaust going into the engine . i haven't driven much to see what will happen but so far it is working .i will keep the post updated to let everyone know thanks
 
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Old Nov 25, 2004 | 07:51 PM
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Reducing the amount of exhaust flow will make it ping more.
 
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Old Nov 29, 2004 | 07:16 AM
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Well, the block off plate with smaller holes did not work so I pulled the octane spout again . I have unplugged the egr vaccum and this seems to stop the pinging but turns on the cel . From what I have seen on these forums it looks like a lean mixture of fuel ---any ideas ?---- fuel pressure is from 22-29
 
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Old Nov 29, 2004 | 05:06 PM
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fuel pressure is a bit low
 
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Old Nov 29, 2004 | 11:59 PM
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eg rred: Test your oxygen sensor(s). There is a thread in this site that tells how to do it with a multimeter. This test will tell you if they are working or not - only the real-time test will tell you if they are slow.

Russ
 
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Old Dec 6, 2004 | 06:29 AM
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I decided to experiment a little so I replaced the newest egr valve with the old original one that came on the truck . What I found out was that it pinged even more than the new one. So I assume the spring is weak . My question is what determines the amount of egr opening and is there a way to adjust it? As I haved posted before it only pings at cruise speed ( 50 -55) with the octane spout in . If I remove the octane spout OR remove the egr vaccum line to disengage the egr the ping goes away. Thanks for any info. in advance and this is a great site .
 
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Old Dec 6, 2004 | 07:28 PM
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There is an EGR position sensor. The test should be in these threads.

Russ
 
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