chk eng lite on sec air read not ready put new pump 2new valves press realease fuel press valve

2001 OLDSMOBILE BRAVADA
125,000 MILES
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BILLY374
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Failed emm.test five times state tech says pump works no air to moffler after reset lite and drive always reads not ready with no codes SR citizen on very limited budget
Feb 28, 2012 at 5:25 PM
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WRENCHTECH
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What is the exact code number?
Feb 28, 2012 at 5:34 PM
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RASMATAZ
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Try driving it on a city street 25 -35 mph and then take it out to the freeway run it 55-60 mph and see if it sets the readiness monitors
Feb 28, 2012 at 5:35 PM
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BILLY374
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Tried drive over over always not ready no codes light back on after few days
Feb 28, 2012 at 6:02 PM
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WRENCHTECH
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If the light is on, there are codes. What are they?
Feb 28, 2012 at 6:11 PM
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BILLY374
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Reads evap and sec air not ready no codes
Feb 28, 2012 at 6:17 PM
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BILLY374
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Ind repair advisor. Scanned found code po410 air system was bi-diretionaly test found proper pump operation o2 send volt pump running show no change indicating inop valves put 2 new valve no read not ready no codes lite on rest and drive 3 days back on reads not ready evap and sec air pump
Feb 28, 2012 at 6:31 PM
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RASMATAZ
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Maybe be the computer needs reprogramming-hard to say between the two affected areas

p0410 https://www.2carpros.com/trouble_codes/obd2/P0400
Feb 28, 2012 at 6:38 PM