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Silviarunner Newbie

Joined: Jul 22 2013
Online Status: Offline Posts: 3
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Posted: Jul 22 2013 at 9:29pm | IP Logged
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My 2002 Frontier Supercharged is still having Major power loss issues across the board on all RPMS. There seems to be no difference in power if I floor it or put it down 1/4 throttle. VERY difficult to get to 60 MPH. If your going up hill you wont be able to go faster then 45 even flooring it. The only Code I am showing is P0057 and this cant cause this many issues. The truck has 172K on it and here is what has been replaced trying to fix this issue.
Timing Belt
Timing Belt Tensioner
All Serpentine Belts
Fuel Tank
Fuel Filter
Distributer Rotor
Distributer Cap
New Plug Wires OEM
New Spark Plugs OEM
4x4 Headers with CEL Fix
Cats Removed - Thought it was a clogged cat
Full Exhaust put in
Knock Sensor replaced OEM
Fuel Regulator OEM
I am at a loss of words and we are nearing the 3.5K range in cost so far just to try to fix this issue and nothing is working.
I am looking out for anyone that can help. I would be willing to give out my number if you want to talk on the phone about it. If there is anyone out there please help me.
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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: Jul 24 2013 at 7:41pm | IP Logged
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That would have made a great down payment on a 4.0
Frontier!!!! Sorry. Are you using Hi-test gas? Nissan oil
impregnated air filter? Have you cleaned the MAFS w/
approved cleaner? Ignition timing?
__________________
'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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Boomer Senior Member

Nissan Guru
Joined: Aug 13 2007
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Location: U.S. - Pennsylvania
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Posted: Jul 24 2013 at 8:02pm | IP Logged
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You did a lot of fuel stuff but what about the fuel pump? Lack of fuel will give the symptoms you are noticing.
__________________ 2007 Nissan Frontier SE 4X4
Crew Cab, short bed,
2003 Saturn L-300 sedan
2013 VW Passat TDI
State College, PA
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Silviarunner Newbie

Joined: Jul 22 2013
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Posted: Jul 24 2013 at 8:31pm | IP Logged
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Yes I am using the correct gas.
Cleaned MAF with approved cleaner.
Ignition timing. That would be the timming belt correct. I did replace the timing belt my self.
Going to check fuel pressure this weekend.
Any other input?
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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: Jul 25 2013 at 7:20am | IP Logged
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Ignition timing refers to the distributor setting, needs to
be done with a timing lite and TPS disconnected.
__________________
'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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Silviarunner Newbie

Joined: Jul 22 2013
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Posted: Jul 25 2013 at 5:54pm | IP Logged
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Sounds good. Any other ideas?
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lakota Moderator Group

Nissan Frontier Forums Moderator
Joined: Feb 14 2005
Online Status: Offline Posts: 1815
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Location: U.S. - Texas
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Posted: Jul 25 2013 at 10:10pm | IP Logged
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..
Did you check exhaust manifold heat for firing all
cylinders? Timing belt off by one tooth? Worn cam not
opening cylinder valves enough? Vacuum leaks?
Good luck.. Don S..
__________________ PLEASE >>> A SIG similar to mine can be VERY HELPFUL to all the members!
'99 4x4 3.3 Frontier Se KC Auto, 48,000 miles
'76 4x4 401 Wagoneer QT
'04 FWD 1.8 Sentra '08 FWD 2.4 Camry LE
Fort Worth
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