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Monday, May 18th, 2020 AT 2:27 PM
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KHLOW2008
- MECHANIC
- 41,814 POSTS
The MAF might be affected.
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Surging idle problem
JERMAINE2015
- MEMBER
- 11 POSTS
So unplug it.
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Monday, May 18th, 2020 AT 2:27 PM
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KHLOW2008
- MECHANIC
- 41,814 POSTS
You need to remove or disconnect anything that might affect the installation.
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Monday, May 18th, 2020 AT 2:27 PM
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JERMAINE2015
- MEMBER
- 11 POSTS
Ok. Thanks so pretty much all those senors right there
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Monday, May 18th, 2020 AT 2:27 PM
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SENTRASPECV02
- MEMBER
- 1 POST
- 2002 NISSAN SENTRA
- 32 MILES
Today I was driving to work in the morning the car die when I stopped. Started right away, then, next traffic light car die again, I started the car again; I noticed the idle (rpms) was going down below 5. I press the gas pedal car stayed running.
I understand that I cannot use throttle cleaner on this car (02 Nissan Sentra Spec V) because it has some type of sensor or gasket inside the throttle body that could get damage. I don’t know if this is true? I don’t want to make things more complicated. Car runs very good does not hesitate or anything, problem is when I get to stop sight or traffic light. Any help would be greatly appreciated.
I will ask my dad to give me his credit card to give a donation for your help. My dad bought the car last year for me everything was fine til today.
Amber.
I understand that I cannot use throttle cleaner on this car (02 Nissan Sentra Spec V) because it has some type of sensor or gasket inside the throttle body that could get damage. I don’t know if this is true? I don’t want to make things more complicated. Car runs very good does not hesitate or anything, problem is when I get to stop sight or traffic light. Any help would be greatly appreciated.
I will ask my dad to give me his credit card to give a donation for your help. My dad bought the car last year for me everything was fine til today.
Amber.
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Monday, May 18th, 2020 AT 2:27 PM
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ASEMASTER6371
- MECHANIC
- 52,797 POSTS
Yes, you can clean the throttle body but great care has to be taken. You put the cleaner on a clean rag and apply it to te bore and the plate. You can try this but it sounds like you may be replacing the throttle body.
Roy
Roy
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Monday, May 18th, 2020 AT 2:27 PM
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JOSELLAMAS
- MEMBER
- 3 POSTS
- 2002 NISSAN SENTRA
- 4 CYL
- AWD
- AUTOMATIC
- 128,000 MILES
I need some help with my nissan sentra gxe 2002 1.8l, when the car is on P or N the car starts to accelerated and the rpm goes up and down, and the car smells like rotten egg.
Thank you
Thank you
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Monday, May 18th, 2020 AT 2:27 PM
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LEGITIMATE007
- MECHANIC
- 5,121 POSTS
Is there a check engine light on?
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Monday, May 18th, 2020 AT 2:27 PM
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JOSELLAMAS
- MEMBER
- 3 POSTS
Yes there is a chek engine light on.
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Monday, May 18th, 2020 AT 2:27 PM
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LEGITIMATE007
- MECHANIC
- 5,121 POSTS
Ok, the best thing to do is bring it to a parts place/autozone and have it scanned for codes, bring it back to me and I will disect it for you. I believe its running lean, and has a fuel problem, I dont think its major though, so try not to panic. Have it scanned and come back with the codes
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Monday, May 18th, 2020 AT 2:27 PM
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JOSELLAMAS
- MEMBER
- 3 POSTS
The codes are "po420", "p1705"and "p0051
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Monday, May 18th, 2020 AT 2:27 PM
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LEGITIMATE007
- MECHANIC
- 5,121 POSTS
Ok, first the vehicle is running "lean" that is where the rotten egg smell comes from, then the 1705, is an automatic trans axle fault. I'm thinking a torque convertor promblem, but it doesnt say. So the tranny will need to be scanned by itself, to pinpoint the problem. Now back to the smell. Your running lean so you need to change the oxygen sensors
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Monday, May 18th, 2020 AT 2:27 PM
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BASHER53
- MEMBER
- 1 POST
- 2000 NISSAN SENTRA
2000 Nissan Sentra 4 cyl Front Wheel Drive
revs go up and down on idle
coughs and splutters on throttle
engine light goes on and off
revs go up and down on idle
coughs and splutters on throttle
engine light goes on and off
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Monday, May 18th, 2020 AT 2:27 PM
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RASMATAZ
- MECHANIC
- 75,992 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.
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Monday, May 18th, 2020 AT 2:27 PM
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EDZELLE
- MEMBER
- 2 POSTS
- 1996 NISSAN SENTRA
My battery is empty because the alternator is not working after I change my battery and the alternator the rpm goes up and down.
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Monday, May 18th, 2020 AT 2:27 PM
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KHLOW2008
- MECHANIC
- 41,814 POSTS
When battery is disconnected, the engine computer needs to relearn and during this period, you might have performance and idling issues. A little driving should solve the problem but if the alternaotr is bad, it is not going to work.
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Monday, May 18th, 2020 AT 2:27 PM
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EDZELLE
- MEMBER
- 2 POSTS
I buy a new battery and 2nd hand alternator(the alternator is working) after that my rpm goes up and down sometimes the RPM is working after a few seconds it goes up and down again."Is theres a problem in the computer box, rpm sensor, hose or wirings?"Tnx sir
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Monday, May 18th, 2020 AT 2:27 PM
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KHLOW2008
- MECHANIC
- 41,814 POSTS
Let the computer relearn by going for a drive around. It might take a while before it relearns and during this period it can act funny while idling.
Lets start with this first if problem was not there previously.
Ig the Maklfunction Indicator light is showing, get a free scan done at parts stores and let us know the EXACt trouble code.
Lets start with this first if problem was not there previously.
Ig the Maklfunction Indicator light is showing, get a free scan done at parts stores and let us know the EXACt trouble code.
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Monday, May 18th, 2020 AT 2:27 PM
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GENGELBR
- MEMBER
- 1 POST
- 1994 NISSAN SENTRA
Good day,
I recently had the engine on my 1994 Nissan Sentra GX 1600 fuel injected model, changed with a second hand engine.
I had the Nissan agents check the timing and other fuel settings for me.
The idling is very low now (500rpm) and the car keeps on stalling after you start it and dying when you stop at robots. What should the RPMs be?
When I drive up a hill it feels like the car is battling and then at 4000rpm there is a sudden boost. The funny thing is the old engine also did this.
They have indicated that the fuel pump will need replacing. Not sure if that would cause this.
My question is: What must I ask the service agents to check, when I take the car back to them, to ensure that the fuel and timing system is set up correctly and what equipment MUST they have to do this?
I recently had the engine on my 1994 Nissan Sentra GX 1600 fuel injected model, changed with a second hand engine.
I had the Nissan agents check the timing and other fuel settings for me.
The idling is very low now (500rpm) and the car keeps on stalling after you start it and dying when you stop at robots. What should the RPMs be?
When I drive up a hill it feels like the car is battling and then at 4000rpm there is a sudden boost. The funny thing is the old engine also did this.
They have indicated that the fuel pump will need replacing. Not sure if that would cause this.
My question is: What must I ask the service agents to check, when I take the car back to them, to ensure that the fuel and timing system is set up correctly and what equipment MUST they have to do this?
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Monday, May 18th, 2020 AT 2:27 PM
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RASMATAZ
- MECHANIC
- 75,992 POSTS
I think what you should do is find the EGR valve/IAA unit-andclean it out. Then check for excessive backpressure in the exhaust-to rule out the catalytic converter. Final adjust the throttle position sensor voltage by losing it up till you get the correct voltage for the closed and wide open throttle then lock it.
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Monday, May 18th, 2020 AT 2:27 PM
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