99 Nissan Sentra Hesitation???

[revrider1 5,000+ posts]

This past weekend I picked up my sisters little 99 Nissan Sentra for cheap. It needed work and attention, as the week has passed I have almost got it running 100% perfect. There is one thing I cant figure out, It has a hesitation as if fuel restriction. It also seems as if it is gasping for air. You can hear it from the air intake box. I changed all the filters including fuel filter, changed the plugs and wires. I was told most likely its an injector thats bad. Any input would be appriciated, I wanna try and keep from taking it to a mechanic as I have done most the work myself. I save money like that, lol. Thanks in advance for any input...//content.invisioncic.com/y282845/emoticons/cool.gif.3bcaf8f141236c00f8044d07150e34f7.gif

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[Famous_78]

Injector.

 

[thehardknoxlife 10+ year member]

What engine? Possible solutions. Clean EGR(or disable it entirely). Change o2 sensor. Reground MAF.

 

[mdillon 10+ year member]

fuel filter. clean the mass air flow sensors and replace oxygen sensors.

 

[revrider1 5,000+ posts]

1.6L 1999 Nissan Sentra GXE Special Edition

 

[revrider1 5,000+ posts]

Fuel filter is new, just put it today. I also though about the Mass Flow sensor, thats tommorrows project...

 

[revrider1 5,000+ posts]

Oh, and the hesitation is mainly when i accelerate. If im cruising at highway speed it wont do anything...

 

[revrider1 5,000+ posts]

anyone?

 

[ThatChevyGuy 5,000+ posts]

sounds like a maf sensor or 02 sensor. I mine was doing that and also ran rough at 1800 rpm and under, i did that and it quit.

 

[dman4486 5,000+ posts]

1.6L 1999 Nissan Sentra GXE Special Edition

there's the problem

 

[15nissen 10+ year member]

Flux capacitor?

i had a 96 sentra with the 1.6, Its not the o2 sensor, my check engine light was always on for that exact thing. Sounds like you covered the bases. Somthing with the fuel system has to be the cause.

 

[revrider1 5,000+ posts]

Ima try and get the injectors checked out, the motor is great though. Strong motor, no other problem besides the hesitation. Im also gonna get the MAF Sensor replaced

 

[ngsm13 5,000+ posts]

These Sentra's seem to have problems... check the VIN for recalls.

My 2000 Sentra 1.8 has problems sometimes like this, but more problems with the engine just quitting randomly at idle. It will just stop running. It ALWAYS starts right back up though. I've read up, and the things point to problems with the Idle air controller or the crank position sensor... and other problems that are very costly.

How much did you get it for if you don't mind me asking? Go to some sentra forums, and look around online... it might be something you decide to get rid of. I know if I was in the financial situation right now to look at something else, I would more than likely get rid of the Sentra before something WRONG actually happens to it.

nG

 

[revrider1 5,000+ posts]

I paid $600 for it, needed some minor work which I have already done. It was her car that just sat there and she finally decided to get rid of it casue she bought an 08 Charger. It hardly ever got used, only has 72,000 miles on it.

 

[ngsm13 5,000+ posts]

Werd. Just thought I'd let you know //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

nG