Severe hesitation on a 2K
08-23-2003, 09:13 AM
#1
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Thread Starter
Join Date: Sep 2000
Posts: 43
Severe hesitation on a 2K
My wife has been driving the 2k for the past few months (I have 76k on the car). I drove this week and noticed severe hesitation when I floor it. It seems ok down low and when I hit 3500 - 4000 rpm up to redline it hesitates and feels like I'm pulling a trailor. I thought it might be dirty fuel injectors and had them cleaned but did not help. I have no clue of what this could be. It runs fine when I take it easy - does not miss or no hesitation. But under heavy throttle 3/4 up it hesitates. Any one else experience this problem or can lend any opinions?
08-23-2003, 01:51 PM
#4
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Join Date: Sep 2000
Posts: 781
Hesitation as in car seem all of a sudden loose power? If so then it could be fuel filter. Cleaning the MAF and throttle body can't hurt with throttle body or carborator cleaner. Try giving it a little gas at a time. If it accelerates fine, but if floored and it hesitates, then the fuel filter could use a replacing. But as others have said, coils or MAF. Tranny (fluid)? did you say it was an auto?
upon reading your thread again, yea, seems like fuel filter to me. A friend of mine's 92 had a severe power loss if you floor it. Changed fuel filter, power came right back better than ever. It's like tugging a rope. If you pull it slowly, it'll go, but yank it (like flooring the gas pedal) you can't make it go.
upon reading your thread again, yea, seems like fuel filter to me. A friend of mine's 92 had a severe power loss if you floor it. Changed fuel filter, power came right back better than ever. It's like tugging a rope. If you pull it slowly, it'll go, but yank it (like flooring the gas pedal) you can't make it go.
08-23-2003, 08:18 PM
#6
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Join Date: Jun 2003
Posts: 75
Like others have mentioned could be MAF or coils mine did the same thing and threw no codes in the comp because MAF did not fail completely. I did the same as you had fuel sys cleaned, then I replaced the plugs and it helped but wasn't still wasn't right then finally went to the dlr and had the Maf repalced after they found it to be bad also had a bad o2 sens got car back and replaced coils just as a precationary measure(got an updated set very very cheap) and car runs so smooth you can't tell its on. good luck
08-23-2003, 08:33 PM
#8
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Join Date: Jun 2003
Posts: 75
The maf is realativey easy to do just be careful the sensor is very tempermental, I think the part is arround $100 call Dave B 18882546060, as long as youve got the maf off you may as well clean the throttle body and be sure to replace the air filter with new maf. I think there is a write up at motorvate.ca on how to clean the throttle body.
09-17-2003, 02:41 PM
#10
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Join Date: Apr 2003
Posts: 4
Originally Posted by Bl00SE
My wife has been driving the 2k for the past few months (I have 76k on the car). I drove this week and noticed severe hesitation when I floor it. It seems ok down low and when I hit 3500 - 4000 rpm up to redline it hesitates and feels like I'm pulling a trailor. I thought it might be dirty fuel injectors and had them cleaned but did not help. I have no clue of what this could be. It runs fine when I take it easy - does not miss or no hesitation. But under heavy throttle 3/4 up it hesitates. Any one else experience this problem or can lend any opinions?
09-17-2003, 05:06 PM
#11
i was just wondering, i have a 2k and was wondering is there a how to on cleaning the throttle body and the maf? also would i be able to do this myself if i dont even know what the throttle body and maf looks like... 
... thanks guys...
... thanks guys...
09-17-2003, 07:17 PM
#12
For the TB try this it's an easy procedure...
http://www.motorvate.ca/mvp.php/517
and for the MAF try a search, I wouldn't do this unless it was absolutely necessary
http://www.motorvate.ca/mvp.php/517
and for the MAF try a search, I wouldn't do this unless it was absolutely necessary
09-17-2003, 07:26 PM
#13
Originally Posted by Bl00SE
My wife has been driving the 2k for the past few months (I have 76k on the car). I drove this week and noticed severe hesitation when I floor it. It seems ok down low and when I hit 3500 - 4000 rpm up to redline it hesitates and feels like I'm pulling a trailor. I thought it might be dirty fuel injectors and had them cleaned but did not help. I have no clue of what this could be. It runs fine when I take it easy - does not miss or no hesitation. But under heavy throttle 3/4 up it hesitates. Any one else experience this problem or can lend any opinions?
sorry guys but im not sure how my car was new, so im not too sure if im experiencing the same problem... when i go to floor the gas ill go off the line and get around 40 mph, around 5 1/5 6 rpms, then it jus like sits there for a while doesnt shift but kind of like sounds lik its being restricted, during this period ill still be accelerating in speed but the shift isnt happening. i always thought it was a restriction nissan put on but i dont know if its the same type of hesitation that bl00se has or if its actually supposed to happen. would appreciate your input guys lemme know if you need a better description, sorry but its hard to describe it.
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