Question about 2001 Nissan Altima

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Code PO446 come up on hand held aninilzer checked hoses tapped on solinoids and vaccum vaules started light went out ran for 1/2 hour shut off put gas in restart engine light came back on

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EVAPORATIVE EMISSIONS SYSTEM LEAK

Posted on Oct 05, 2009

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Posted on Jan 02, 2017

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I have 2003 trailblazer its idling low and misfire check engine light flashing had it scaned it was map censor and cy 2 misfire ok we put new map censor and new coil pack on 2 it ran great for like 10 min...


You need to figure out what's causing the miss first. If the code was 302 or 303 the cylinder is not producing power, but the reason is a mystery. It could be ignition, the injector, or a compression problem. Since the cylinder problem changed, I doubt its compression.
The code for the map sensor could be something other than the sensor too.

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sounds like a bad ground to your solinoid its not the starter try tapping the solinoid

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Two weeks ago when i went to drive my 2004 Oldsmobile Alero..it was hesitating and started to shake if i went above 25. Then the service engine light came on and was blinking at me. I kept it under 20 and...


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My 96 grand cherokee is shutting down,have replaced almost everything but crank sensor will this be the end of my problems???please help


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2000 buick park avenue where are the vaccum hoses located on the evap sytem my check engine wont go off codep0442


that code is indigitus to the purge solinoid
if the purge solinoid gets stuck or fails you get a red light follow the lines that come off the engine the purge is eather on the back of the engine or firewall
also check you steel lines under your car to make sure that you don.t have a bent or hole in them also check or have you cap checked

Mar 09, 2010 | 2000 Buick Park Avenue

3 Answers

I have code 440


PO440 means that the system has not created enough vaccum. the only way to test the solinoides is with a scan tool .the vent solinod will be closed by the PCM then the engine provides the vaccum at aroun ten in of water the pcm closes the purge solinoid . I would check all the hoses in the evap system for cracks and dry rott the smallest crack can lead to the light coming on and the system failing.hope this helped

Aug 28, 2009 | 1998 Toyota Camry

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1996 dodge caravan sport 3.3 no spark. please help!


have the fault codes read
never hold a plug or HT lead in your hand
in the old day cars the voltage was around 16,000volts so you got a kick
todays cars are around 65,000volts so if you are not in perfect health, heart wise , the shock could cause severe heart problems

Mar 30, 2017 | 1996 Dodge Caravan

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Saturn sl2 emissin problem


If the SES light is on, take a paper clip bend it in a u-shape and jump the scanner input positions A B. This should flash the ses in sequesces to give you the trouble code, Please see the following link. http://www.troublecodes.net/GM/ Refer to the code to see what the issue may be. SES lit means that there is a emmissions related issue. Refer to the other links for additonal information on O2 sensor resistance, and the egr valve solinoid. Check the EGR is relitive easy for operation. Remove the vaccum hose and place a hose of similar suckon the hose to pull vaccum if the diafram underneith retracts, hold the vaccum by plugging off the tube with your touge if the diafram retracts, will not hold the vaccum, it is bad. The solinoid should read 40-60 ohms if good. http://www.saturnfans.com/forums/index.php http://www.aldlcable.com/sc/pages.asp?pageid=21
http://www.saturnfans.com/forums/showthread.php?t=37884

Oct 03, 2008 | 1995 Saturn Sl

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