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Old 05-05-2018, 03:00 AM   #1
Sethdewey
 
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Default Help my truck hesitates an falls on its face

Hey guys i have a 1997 nissan hardbody i just got not long ago an its having some problems. The check engine light is on an it throws a code for the 02 sensor an the code p0110 intake air temp sensor 1 bank 1. But my buddy said hes already replaced that sensor along with a few others. But once you put it in gear an take off it sputters real bad an truck jumps like its first time driving a standard lol but once it warms up it runs fine. Also when you floor it it falls completely on its face like you shut it off let off the gas it runs fine again heeelllppppp!!!!
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Old 05-05-2018, 04:42 AM   #2
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First off, check the timing. Then I would get a multimeter and test the sensor.

There is a known wire harness issue with the 4 cylinder. Grab the main harness that runs off the passenger side of the firewall. It runs under the wiper motor and comes down across the passenger rear side of the valve cover. With the engine running, grab that harness and pull, tug, wiggle and shake it really well. If the engine starts stumbling and sputtering, you will have to read the thread we have that shows in detail how to fix the problem. There is a ground wire in that harness that has a crimp that fails. And the ground wire goes to the injectors, and it will stumble, buck and jerk around like a pissed off bull.

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Old 05-05-2018, 11:22 AM   #3
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The intake air temp sensor is almost always a broken wire. It’s on the bottom of the air cleaner housing. It shouldn’t cause the problem you’re having. I’d check the timing like Caddy recommended, 10 degrees btdc. That’s the starting point.
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Old 05-05-2018, 12:18 PM   #4
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Ok thanks guys ill go check for these issues an report back!
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Old 05-05-2018, 12:25 PM   #5
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When i first went to the part store an had the codes ran i came home an checked the intake sensor an it was unplugged. So im like ok theres the problem so i plugged it in an it quit for about an hour an starting doing the same thing again. I just put new plugs an wires on it an running some injector cleaner thru it now. Buddy said he changed fuel filter already. I read that a bad 02 sensor can send bad readings to the computer an make it run that way is this true? If not then its what you guys are talking about or the distributor needs replaced
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Old 05-05-2018, 01:00 PM   #6
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If it has a code for an O2 sensor, you should replace it. It can affect driveability. I wouldn’t replace any parts that the computer isn’t giving a code for until we have all the codes fixed. And the timing is checked and properly adjusted. Once the computer is giving the all clear and the timing is 100% right, THEN we can start digging deeper if the problem is still there.
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Old 05-05-2018, 05:57 PM   #7
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My buddy said hes replaced the intake temp sensor twice to try an get the code to go away an to fix it an it hasnt worked im gona check they other things you guys were talkin about later on
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Old 05-06-2018, 12:17 AM   #8
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So i tried messing with that wiring harness an didnt change anything....i messed with the distributor an it worked best were it was at an i didnt see any brokin wires on the intake sensor
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Old 05-06-2018, 01:30 AM   #9
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https://www.obd-codes.com/p0110

Read up on that.

Also, the one air sensor starts on EC-107 of the service manual (click it).
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Old 05-06-2018, 11:27 AM   #10
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Check the timing with a timing light.

Follow the troubleshooting that joe provided for the the intake air temp sensor.

Replace the oxygen sensor that is failing.
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