Accelerating problems
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
Accelerating problems
Hello guys,
So the maxima 2002 starting doing (which got a little worse) is when I accelerate when driving, something feels like its clogging or trying to stop it from accelerating smooth. I could hit the gas pedal smooth but something intervenes and makes the car take off weird like fast. It feels like something is clogged but don't know what.
air filter???
I changed that over the winter with the cheapest one from auto zone?
fuel pump filter??
I changed it with one from the junkyard (I took the risk) over the winter.
gas?
I mix all gas but I know that shouldn't be the reason.
I also replaced the vapor canister and the valve and gas mileage increased dramatically but sometimes the code
P0442 pops up and goes away on its own. I replaced the gas cap as well.
Can anyone understand what I'm trying to say lol please help.
This car still has more problems. what is it with this car.
So the maxima 2002 starting doing (which got a little worse) is when I accelerate when driving, something feels like its clogging or trying to stop it from accelerating smooth. I could hit the gas pedal smooth but something intervenes and makes the car take off weird like fast. It feels like something is clogged but don't know what.
air filter???
I changed that over the winter with the cheapest one from auto zone?
fuel pump filter??
I changed it with one from the junkyard (I took the risk) over the winter.
gas?
I mix all gas but I know that shouldn't be the reason.
I also replaced the vapor canister and the valve and gas mileage increased dramatically but sometimes the code
P0442 pops up and goes away on its own. I replaced the gas cap as well.
Can anyone understand what I'm trying to say lol please help.
This car still has more problems. what is it with this car.
Last edited by egali045; Aug 12, 2014 at 08:07 PM.
Junior Member
Joined: Jun 2014
Posts: 28
From: Smyrna, TN 37167
It could be a number of things, more information on the car and what exactly its doing would help us pinpoint a problem. Research any codes the car is pulling up, and see if those codes lead to sloppy performance. If not, I've heard the catalytic converters can get clogged and slow it down. If you've been messing with the intake system (like me lol) then that can lead to annoying problems too.
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
It could be a number of things, more information on the car and what exactly its doing would help us pinpoint a problem. Research any codes the car is pulling up, and see if those codes lead to sloppy performance. If not, I've heard the catalytic converters can get clogged and slow it down. If you've been messing with the intake system (like me lol) then that can lead to annoying problems too.
Oh and another thing is when I fill the car with gas and turn it on, it stays for a second and then it turns off. Unless I press the gas pedal stopping it from turning off.
Last edited by egali045; Aug 14, 2014 at 06:34 PM.
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
Junior Member
Joined: Apr 2014
Posts: 23
Read this
I fixed this exact problem last night! Clean your throttle body, it will take car of the re start when hot issue. I used maf cleaner to clean the tb. The iacv was full of carbon. My accelloration increases drastically too, but i also cleaned the maf, and cleaned the spark plugged. While i was at it i removed my intake manni gasket and replaced with copper rtv
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
I fixed this exact problem last night! Clean your throttle body, it will take car of the re start when hot issue. I used maf cleaner to clean the tb. The iacv was full of carbon. My accelloration increases drastically too, but i also cleaned the maf, and cleaned the spark plugged. While i was at it i removed my intake manni gasket and replaced with copper rtv
Did you remove it in order it to be clean?
How did you remove?
I'm sure I'm not going to go further than cleaning the maf and tb as I
don't want to mess up other parts.
iacv is clean and kind of new so I'm not going to worry about that.
Sorry but this will be my first time cleaning these.
Junior Member
Joined: Apr 2014
Posts: 23
I removed manni and all that. If you want, just remove the intake piping. You can get to maf and tb that way. Be sure to have someone press gas pedal to open butterfly valve. Basically if you touch the actual butterfly, the throttle body breaks. So its a two person job. Btw i used maf cleaner to clean all of it
Senior Member
Joined: Jul 2013
Posts: 564
From: Prince Georges, MD
Clean that MAF! Made a world of a difference when I did. I didn't even bother to clean my throttle body tbh, but if you're cleaning your MAF you might as well go ahead and clean that while you have the access (two birds one stone). Keep us updated on results, this worked for me.
Junior Member
Joined: Apr 2012
Posts: 23
I had a similar issue with a max i recently bought (4th gen). slow and smooth pressure on the gas pedal resulted in no problems, but hard pressure (gunning it) would cause the engine to hesitate.
I replaced the air filter, cleaned the maf, and still nothing (by the way those two things are super simple to do, except for when you snap a rusted bolt in half when taking it out) what I then checked was the coil packs by disconnecting them while the car was running in park still nothing. then I changed all the spark plugs (was going to do that anyways) and found that most were gapped over .060 when they should be around .04 installed the new ones and problem was solved!
to change the spark plugs I'd say make sure you have all the tools you need including a 8lb magnetic extendable pick up tool (to take the spark plugs out once unscrewed), the proper spark plug socket, and the proper tools to remove all the bolts and screws. 5 of the 6 plugs are really easy to replace.
edit: it could also be your fuel injectors, the other thing i tried was just to put some lucas fuel treatment in the tank and drive around a bit. no harm in trying.
I replaced the air filter, cleaned the maf, and still nothing (by the way those two things are super simple to do, except for when you snap a rusted bolt in half when taking it out) what I then checked was the coil packs by disconnecting them while the car was running in park still nothing. then I changed all the spark plugs (was going to do that anyways) and found that most were gapped over .060 when they should be around .04 installed the new ones and problem was solved!
to change the spark plugs I'd say make sure you have all the tools you need including a 8lb magnetic extendable pick up tool (to take the spark plugs out once unscrewed), the proper spark plug socket, and the proper tools to remove all the bolts and screws. 5 of the 6 plugs are really easy to replace.
edit: it could also be your fuel injectors, the other thing i tried was just to put some lucas fuel treatment in the tank and drive around a bit. no harm in trying.
Last edited by subwayhello; Aug 19, 2014 at 04:21 PM.
Senior Member
Joined: Jul 2013
Posts: 564
From: Prince Georges, MD
I literally just finished cleaning my throttle body... boy did it make a difference! When i first tried turning the key it wouldn't start. Then i tried turning the key again and gave it some gas till it started up. Let it run for about 2 minutes, pressed down that gas pedal and it sounded amazing, Great throttle response now. Drove it for about 5 minutes, then turned the car off and on twice with no problem. Pretty awesome.
Will it help with gas mileage?
Will it help with gas mileage?
Last edited by Itz Shak; Aug 21, 2014 at 09:54 PM.
Thread Starter
Member
Joined: Mar 2014
Posts: 235
From: Chicago,IL
I had a similar issue with a max i recently bought (4th gen). slow and smooth pressure on the gas pedal resulted in no problems, but hard pressure (gunning it) would cause the engine to hesitate.
I replaced the air filter, cleaned the maf, and still nothing (by the way those two things are super simple to do, except for when you snap a rusted bolt in half when taking it out) what I then checked was the coil packs by disconnecting them while the car was running in park still nothing. then I changed all the spark plugs (was going to do that anyways) and found that most were gapped over .060 when they should be around .04 installed the new ones and problem was solved!
to change the spark plugs I'd say make sure you have all the tools you need including a 8lb magnetic extendable pick up tool (to take the spark plugs out once unscrewed), the proper spark plug socket, and the proper tools to remove all the bolts and screws. 5 of the 6 plugs are really easy to replace.
edit: it could also be your fuel injectors, the other thing i tried was just to put some lucas fuel treatment in the tank and drive around a bit. no harm in trying.
I replaced the air filter, cleaned the maf, and still nothing (by the way those two things are super simple to do, except for when you snap a rusted bolt in half when taking it out) what I then checked was the coil packs by disconnecting them while the car was running in park still nothing. then I changed all the spark plugs (was going to do that anyways) and found that most were gapped over .060 when they should be around .04 installed the new ones and problem was solved!
to change the spark plugs I'd say make sure you have all the tools you need including a 8lb magnetic extendable pick up tool (to take the spark plugs out once unscrewed), the proper spark plug socket, and the proper tools to remove all the bolts and screws. 5 of the 6 plugs are really easy to replace.
edit: it could also be your fuel injectors, the other thing i tried was just to put some lucas fuel treatment in the tank and drive around a bit. no harm in trying.
Hmmm, I believe my situation could be the other way around.
The car got the following few changes over the winter to now exactly in order.
spark plugs OEM ones(new), air filter(new,cheapest ones) , fuel pump w/ filter (from junkyard), vapor canister (used) , control valve (used and came along w/ vapor canister) for the canister, the vapor canister hose. I've recently used the fuel injector cleaner STP for it . This is actually the 2nd time I've used the product. I do feel something is clogged and takes off weird and MAF sensor and throttle body seems to be a good reason why it could be doing that from what I read and how their function is. But I do want to try and see if this is the reason why it could be doing that. Everytime I put gas the car turns off unless I press on the pedal and especially when I use regular gas. When I use premium it tries not to turn itself off but lasts longer than regular gas and then it turns off. Could o2 sensor be related to this or not really?
Newbie - Just Registered
Joined: Aug 2014
Posts: 1
slow acceleration
Im having a similar problem and don't know where I go from here.
I tool my 6th gen in to my mechanic to change rear wheel bearing and swap tires from rear to front.
When I picked up the car would hardly accelerate. When it got to 10 mph or so it chokes and begins to rev around 3000 RPM, I experience a complete lack of power. The RPM then normalizes and slowly increases speed although returning to rev high around 3000 to 4000 RPM. When it warms up it gets to approximately 40 MPH max and wont accelerate any higher. It appears as though its stuck in 1st gear. At times when I come to a stop my ABS lock for a second then release. My mechanic has no idea why all of a sudden the car is behaving this way. I though that the speed sensors may have gotten damaged when they replaced wheel bearings but according to my mechanic there are no faulty sensor codes or ABS codes. He concluded it may be a transmission problem. I highly doubt it as my car was running normal prior to taking it to the shop. I took it to Nissan dealer and they are giving me the run around to avoid transmission warranty although it did not appear to be a tranny problem anyways. Nissan pulled some codes and did not resolve my problem. I took it to Aamco transmission and they believe its a clogged Catalyst Converter and quoted me 2k to replace. This is all to strange as it happened all of a sudden.
Not sure what the heck some of these Nissan codes mean so if someone can help translate them.
Does anyone know if these are nissan speed sensor codes? abs or anything that can be causing my car to now accelerate normal? I honestly believed that my mechanic damaged something when he worked on the bearing.
All the following are associated with tire locations.
c1708, c1709, c1710, c1711, no data
c1716, c1717, c1719, press data
c1720, c1721, c1723, code error,
Except for this one
c1725 Batt voltage low
For whatever reason I cannot create a new post, so this is the post that most similar to my problem
I tool my 6th gen in to my mechanic to change rear wheel bearing and swap tires from rear to front.
When I picked up the car would hardly accelerate. When it got to 10 mph or so it chokes and begins to rev around 3000 RPM, I experience a complete lack of power. The RPM then normalizes and slowly increases speed although returning to rev high around 3000 to 4000 RPM. When it warms up it gets to approximately 40 MPH max and wont accelerate any higher. It appears as though its stuck in 1st gear. At times when I come to a stop my ABS lock for a second then release. My mechanic has no idea why all of a sudden the car is behaving this way. I though that the speed sensors may have gotten damaged when they replaced wheel bearings but according to my mechanic there are no faulty sensor codes or ABS codes. He concluded it may be a transmission problem. I highly doubt it as my car was running normal prior to taking it to the shop. I took it to Nissan dealer and they are giving me the run around to avoid transmission warranty although it did not appear to be a tranny problem anyways. Nissan pulled some codes and did not resolve my problem. I took it to Aamco transmission and they believe its a clogged Catalyst Converter and quoted me 2k to replace. This is all to strange as it happened all of a sudden.
Not sure what the heck some of these Nissan codes mean so if someone can help translate them.
Does anyone know if these are nissan speed sensor codes? abs or anything that can be causing my car to now accelerate normal? I honestly believed that my mechanic damaged something when he worked on the bearing.
All the following are associated with tire locations.
c1708, c1709, c1710, c1711, no data
c1716, c1717, c1719, press data
c1720, c1721, c1723, code error,
Except for this one
c1725 Batt voltage low
For whatever reason I cannot create a new post, so this is the post that most similar to my problem
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4th Generation Maxima (1995-1999)
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