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Emmette Newbie


Joined: Aug 04 2011
Online Status: Offline Posts: 3
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Location: U.S. - Florida
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| Posted: Aug 04 2011 at 4:16pm | IP Logged
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Have a '98 Frontier 2.4L. Have replaced MAP sensor, Idle
speed control and still have a problem with engine dying
after warm up. DTC shows P0450 which is not always shown.
Any suggestions?
__________________ Emmette E
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frontierguy Senior Member

Master Mechanic
Joined: May 20 2008
Online Status: Offline Posts: 2591
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Location: U.S. - Pennsylvania
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| Posted: Aug 04 2011 at 8:20pm | IP Logged
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How about the MAFS, has that been replaced? Are you using a
Genuine Nissan oil impregnated air filter? Many
possibilities for the P0450 code.
__________________
'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.
Nissan Technician 25 + years
2011 John Deere X720SE
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Emmette Newbie


Joined: Aug 04 2011
Online Status: Offline Posts: 3
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Location: U.S. - Florida
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| Posted: Aug 04 2011 at 8:43pm | IP Logged
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Haven't changed the MAFS sensor yet due to the cost :)
However, been looking at that very real possibility. Was
hoping someone had a cheaper cure..... Have NOT gone to the
genuine Nissan oil impregnated air filter. Will probably
try that first.
__________________ Emmette E
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frontierguy Senior Member

Master Mechanic
Joined: May 20 2008
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Location: U.S. - Pennsylvania
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| Posted: Aug 05 2011 at 7:40pm | IP Logged
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You could try and clean the MAFS with an approved cleaner.
__________________
'10 Altima SL
Traded 08 Frontier for 16 Frontier SV CC Long box, quite an upgrade. I do miss the 6 speed and Dynomax ex.
Nissan Technician 25 + years
2011 John Deere X720SE
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Emmette Newbie


Joined: Aug 04 2011
Online Status: Offline Posts: 3
Member's Gallery: View Gallery
Location: U.S. - Florida
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| Posted: Aug 05 2011 at 7:48pm | IP Logged
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Will try that Sunday as soon as the auto parts store opens.
Found a new MAF sensor on Ebay for $53 ($56?) and might go
ahead and order it just in case. Most I have found were
well over $200 which is quite steep for my finances...
__________________ Emmette E
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