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Intermittent acceleration loss
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SogeKing
New User
Nov 1, 2014, 3:05 AM
Post #1 of 9
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Intermittent acceleration loss
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2003
Nissan
Sentra GX
1.3
138,929KM
Hello gurus new guy here who badly needs your experience and expertise.
Problem will usually surface once the car is on optimal temperature. It would just lose acceleration and jerk. It wont rev-up even if you fully step on the gas pedal no matter which gear you're on. If I allow the engine die down I can quickly start it backup and problem will go away until it happens again several minutes later. Check engine lights doesn't come on when it happens.
I already replaced camshaft and crankshaft sensor (OEM)
Cleaned MAF sensor but thinking of replacing it if you guys would recommend it. Battery is 3 years old but not sure if that can be a cause
Please advise
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 1, 2014, 5:29 AM
Post #2 of 9
(2195 views)
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Re: Intermittent acceleration loss
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Even if the check engine light didn't come on you still need to check for codes and post the numbers here. Although I'm not recommending it yet, the MAF is one of the things that can start to fail like that and not set a code.
The other things that can act like that are the ignition coil, fuel pump, plugged exhaust and probably a few other remote possibilities.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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SogeKing
New User
Nov 2, 2014, 8:27 PM
Post #3 of 9
(2164 views)
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Re: Intermittent acceleration loss
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Thank you
I will do this but might take a while because OBD through a Nissan dealership in our country costs 50+ USD (converted)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 2, 2014, 8:47 PM
Post #4 of 9
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Re: Intermittent acceleration loss
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$50US +/- really isn't that bad if you get a good code reading with the #s and a printout of any info and suggestions from the dealer. I know there are places that do this for free but unless it's clearer cut doubt that's enough and tend to think it's just to sell parts more than be just a nice thing to do for people,
T
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SogeKing
New User
Nov 8, 2014, 2:13 AM
Post #5 of 9
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Re: Intermittent acceleration loss
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Hi Guys
Went to a recommended goodyear auto service center and they tried 3x but could not get a reading from it. So they decided to just make it free diagnostic. They suggested that it could be the fuel pump. Looked for it when I got home and saw that it was covered with dirt. Can you guys suggest how to check? Or do you think it can be the cause?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 8, 2014, 3:22 AM
Post #6 of 9
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Re: Intermittent acceleration loss '03 Sentra, 1.3, 138KM
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If you can see the top of fuel pump try blowing it off with compressed air. IDK how tight it is as to whether you can get at it without dropping the tank.
No info specific to a 1.3 engine available so looked at a 1.8 if the same and dunno on that either. Like this if it shows.........
Seems like plug is right on top and if all corroded inside that would be a problem. Roll the dice and pull it apart and clean it up then grease it after a good look.
That still isn't explaining much and just on a guess list. What reason were you given that it couldn't read codes? That alone needs to be tended to if not the cause you've lost a lot of important info for anything even if you fix this without codes available.
Take a fuel pressure reading with it while it happens either rigged up so you can see a gauge while driving or something.
Even then if the wiring is messed up or corrode to the connector what and or why is in question and what else is all corroded up on the long list?
Was this car flooded in water usually storm water would be quite dirty and make all kinds of problems and if so and it got into and over electrical components anywhere it total trouble,
T
(edit to add info in subject line of what this car is)
(This post was edited by Tom Greenleaf on Nov 8, 2014, 3:58 AM)
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SogeKing
New User
Nov 16, 2014, 7:05 PM
Post #7 of 9
(2074 views)
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Re: Intermittent acceleration loss '03 Sentra, 1.3, 138KM
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Thanks for the feedback. Looks almost the same but it has 2 nozzles at top.
Pulled out the whole assembly and opened the bottom portion where the motor/pump was located. Saw a rubber nozzle like thing connected to it was mangled and the fuel left inside its container was dirty with small black particles, probably from the rubber.
So I replaced the whole assembly and so far problem has not re-surfaced.
Dont think it was flooded. Did not see such signs in my previous fiddling inside the dashboard and under the chassis
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 17, 2014, 12:06 AM
Post #8 of 9
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Re: Intermittent acceleration loss '03 Sentra, 1.3, 138KM
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? OK you found the problem now I just hope it doesn't do that again if rubber type particles IDK what that was and probably would have saved some.
That is consistent with a pick up sock clogged with debris starving the pump. If this does this again consider attempts to clean out whole fuel tank or up to replacing it! It may be something you got getting fuel, an additive or prior part with inferior materials. May never know that.
Keep an eye on it and hope it stays fixed,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 17, 2014, 3:18 AM
Post #9 of 9
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Re: Intermittent acceleration loss '03 Sentra, 1.3, 138KM
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I think you are correct about the particles being rubber from witihn the fuel pump module. You should be OK now.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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