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Old 12-30-2010
Grenth89Ranger's Avatar
Thread Starter
Join Date: Jun 2010
Location: Paradise, Ca
Posts: 46
HELP ! Smog check fail EGR valve

hello all ,

well i went to the smog shop today and my truck failed due to : the 2 fails i recieved was EGR (Functional) and Fuel cap integrity test

Now I understand were the EGR is located, but I really need to either clean it out , find out why there is no vaccum, im just not sure were to start besides cleaning it and after cleaning it i have no way to test it out to see if that was the problem :(

The shop stated i need a Diag performed on monday at 8 am , its up to me they said ... 1.5 hours of labor just to find out and it will cost me $120 ..... THIS NEEDS TO BE DONE WITH BEFORE 1/31/2011.... or my Reg is going to be very very costly... I did look in the tech section at "" and found that to check it i can suck on vaccum line ... but if its clogged .... i am going to need to go to the JY and get some broken speedomoter cable lol.....
now that i have said all this who wants to place input?

just for refrence , here are my numbers for my 1989 ranger :

@ 836 RPM : %CO2= 10.5/ %O2=6.1 | HC(RPM); MAX=120/AVE=30/MEAS=18 | CO(%); MAX=1.00/ AVE= 0.10/ MEAS=0.00 RESULT PASS

@2552 RPM : %CO2= 11.9/ %O2=4.3 | HC(RPM); MAX=180/AVE=20/MEAS=40 | CO(%); MAX=1.00/ AVE= 0.10/ MEAS=0.00 RESULT PASS
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Old 01-04-2011
screamin mad j.d.'s Avatar
Join Date: Nov 2010
Location: eldusto, texas
Posts: 3
what codes ?
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Old 01-07-2011
Mikey's Avatar
Join Date: May 2009
Location: Lynwood, Ca.
Posts: 10
No vacuum to the EGR valve is the EGR solenoid. $65.00 at Auto Zone. Just went through this issue with mine. Ended up replacing the cat since it was clogged and the wrong one also. Passed with flying colors.
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Old 01-10-2011
screamin mad j.d.'s Avatar
Join Date: Nov 2010
Location: eldusto, texas
Posts: 3
mine was the same...replaced the solenoid and egr valve... no problems after that .

it's fairly cheap replacement at any checker,autozone..etc.
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Old 01-28-2011
Join Date: Jan 2011
Location: long beach ca
Posts: 47
and just so you know in the state of california you can pay your tags ow go to the dmv explain that it is going to a few weeks to fix the car so it will pass smog they can issues a temporay operating permit that will allow you to drive the and not a ticket and also not be late of the reg so no late fees i had to do about a year for another car i owed i needed to fix a vac leak and didnt have time so i got this and it worked out just fine and i am sure most states have simaliar thing good luck
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