Question about 1996 Ford Taurus

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I have replaced the egr valve and the 2 cadalitic converters and the selenoid thihave checked the hoses and it still is failing emissions why

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I suggest that parts replacing is very expensive. Take the emission sheet to a mechanic, and pay for a diagnostic. Something is wrong, do not ignore it.

Posted on Sep 04, 2010

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96 cutlass supreme will not pass emission in ut. what should I do? KOER failed, trouble code po401


cleanout egr valve and troutle body . Or replace egr with new one, clean, check vacumm lines , check for clogged check , depending on modle of car you can pippoint problem as some have a common part problem depeding with make of car. But all have to do with exaust system. Insufficient flow exaust flow. Im not an expert, all I know it is related to this, I have it myself so im googling it.

Ford EGR valve

The OBDII fault code P0401 means that the engine computer has detected that the Exhaust Gas Recirculation (EGR) system flow is insufficient. Read more how the EGR system works below. What could cause the code P0401 - clogged or restricted EGR passages
- faulty EGR valve
- EGR valve stuck closed
- problems with the DPFE sensor (Ford)
- problems with hoses to the DPFE sensor (Ford)
- problem with the EGR vacuum switching valve (Toyota)
- clogged catalytic converter
- carboned up EGR temperature sensor
- vacuum supply issues at the vacuum-operated EGR valve
- electrical problems with the EGR valve control circuit
- engine computer problems
helpful website helps you with pinpoint and sou;ution related to auto make and model shows you most common cause of code reading.
www.samarins.com

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Po703 code Pontiac grand prix


code p0703 refers to torque converter switch B circuit malfunction causes ---wiring--- torque converter/ brake switch---ECM/TCMcode p0420 refers to exhaust gas recirculation EGR system --excessive flow detected.. causes ---hose/s leak/ blockage---basic setting not carried out9IF applicable) ---wiring----EGR valveEGR solenoid--- ECM. I suggest to replace EGR valve and soledoid. Have a trabby shop check out the first one.

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Egr engine code po401 is on in my 1996 ford explorer ive changed my egr valve blow out the egr tube i replaced my egr selenoid as well can it be a bad catalystic converter im going to test dpfe sensor what...


Disconnect vacuum supply hose to EGR V.R. solenoid at the solenoid. Connect the vacuum supply hose to a vacuum gauge. Start engine and check the vacuum at idle. Is the supply vacuum greater than 10 in-Hg (34 kPa) ?

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1989 f150 302 V8 fuel injected emissions problem. Installed new engine from Ford, blew SKY HIGH on low and high idle emissions. Emission numbers were 10-20x max legal limit (over 3000). Replaced the...


the O2 sensor works on one volt .5 is around the running voltage, i would refit the air hose as it will run the converter hotter at idle.

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1996 buick century, I had a tune up and egr valve


Have an auto parts store check for the code. It is possible that you have a bad O2 sensor or your catalytic converter is clogged.

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85 volvo dl fuel evaporative control functional (failed) @ smog check


replace the pvc valve and have the egr valve replace.make sure the vacuum hoses connect to egr valve and pvc replace.change air filter.all those things will cause high emission if not working properly.cause you to fail smog test.

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1995 Toyota Camry - Code 71 - failed emissions tests


replace the EGR switching valve and have the machanic clear the engine check light. I think it should help



Mar 25, 2009 | 1995 Toyota Camry

1 Answer

RAV 96 VSV


HI.....
The problem on your Vehicle related with the VSV.
VSV . VACCUM SWITCH VALVE..


But the problem is you have 3 VSV On your car.
And all of 3 affect the Emission or smog TEST.

1---- EGR VACCUM SWITCH VALVE
2-- EVAP VACCUM SWITCH VALVE
3---- VAPOR PRESSURE SENSOR VACCUM SWITCH VALVE..

All are located on Left side of Engine compartment.
the EGR VSV on left side of the angine.

Are a Small selenoid with 2 small hoses and one connector of 2 wires.

Ok.. But I recomend get the Vehicle SCANNED for get the right codes.
You can go to some autoparts, Advance, Autozone, Napa, Pepboy's,
They scan your vehicle with no charge , is just a complementary service.
With the Codes you will FIX or REPLACE the right part.

OK... I hope this hlep on your problem.
If you need more information I will able to help.
Thank you for use fixa..

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1 Answer

P01420 Code - 2001 Toyota Camary


Have had similiar problem w. 2002 Highlander.
It happens when the airfilter comparment is touched, moved or opened. The hose attachment comes lose and the engine light comes on. Attached hose to airfilter casing a little tighter and the light will eventually go off. Takes about 2 weeks to go off.

May 26, 2008 | 2001 Toyota Camry

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