1997 Nissan Truck i have 1997 nissan pick xe 91,000m

1997 NISSAN TRUCK
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BIGHOP8
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Engine Performance problem
1997 Nissan Truck 4 cyl Two Wheel Drive Automatic

in imorning when start my truck i have to get my foot on gas pad to keeping it run they get to normal temp idle fire .i have new t.p.s and egr to new spark plugs and wire new fui pump.
Feb 12, 2010 at 1:38 AM
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MHPAUTOS
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Hi there,

Thank you for the donation,

This may be a faulty coolant temp sensor, not to be confused with the coolant gauge sender, if out of range it will give a false reading to the ECU which will not allow the cold start sequence to operate, a scan may pick up a faulty sensor as being out of range, start here.

mark (mhpautos)
Feb 12, 2010 at 2:44 AM
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BIGHOP8
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i never have this prob to i put in new MAF) sensor .i have bad idle at cold sstart too.like missfire after is heating up.run fire.
Feb 12, 2010 at 2:54 AM
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MHPAUTOS
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If you still have a miss fire after warm up, best check plugs, cap leads and do a comp test.

mark (mhpautos)
Feb 12, 2010 at 3:00 AM
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BIGHOP8
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just at cold start
Feb 12, 2010 at 3:03 AM
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MHPAUTOS
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check the coolant temp sensor, this is not the gauge sender.

Mark
Feb 13, 2010 at 7:51 AM
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BIGHOP8
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ok
Feb 13, 2010 at 5:26 PM
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2 LINSEY
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We appreciate your donation and we hope the information we provided helped you solve the problem.
Mar 1, 2010 at 2:09 PM