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1999 toyota camry hesitation on acceleration P0401

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: toyota celica flat spot

had same problem,changed air flow meter sensor and problem gone.

Posted on Nov 09, 2008

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SOURCE: 1999 toyota camry

Take it to autozone and have them to pull a code on it.It sounds like O-2 sincer

Posted on Dec 07, 2008

  • 14 Answers

SOURCE: 2002 4 cyl Toyota camry has hesitation when you start moving

throttle position sensor.

Posted on Aug 21, 2009

  • 752 Answers

SOURCE: 1999 toyota RV4 code P0401

It means that the egr valve is working, the problem is a very common one, it's the egr modulator valve and to some extent the vacuum switching valve(VSV) for the egr valve, the modulator is attached to the egr valve, remove it and if air can pass from the bottom port through it is defective, in that case replace it and see if it takes care of the problem, if the valve is ok the egr
vsv should be replaced.

Posted on Feb 13, 2010

redds55
  • 2620 Answers

SOURCE: 2000 toyota camry code p0401 change egr valve

First did you reset the computer after replacing the EGR valve if you don't the computer doe'nt reconize the new sensor so it doe'nt reset the peremiters.Then check all passages and lines in the intake manifold there could be a clogg somewhere.Go to www.rockauto.com and you'll find EGR pressure sensor for under $30.00.

Posted on May 17, 2011

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1 Answer

2000 toyota camry 4 cyl at stop idling speedometer bounces aronnd 20 up to 40 and when i accelerate it hesitates drops to zero thea goes


could be a short in the vehicle speed sensor or a faulty cluster, the speed sensor on the transmission is the first thing to check and the cheapest.

Sep 30, 2012 | 2000 Toyota Camry

1 Answer

96 Camry LE V6 that hesitates the first thing in the morning,


It sounds like a dead spot in the TPS (throttle position sensor) it is the only sensor that is subject to physical wear (1996 its old replace it) also the 02 sensor is old too.

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My 1991 Toyota has acceleration hesitation


check rom the air fiter box there a air hose that goes to engine check if that air duck hose is not crack or broken repair with electric tape if broken or crack if everything goes fine after the repair change that hose or leave it like that with a few layer of tape its a cheap repaIR THANKS PIERRE

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Code P0401 EGR Insufficient Air flow detected - 2000 Toyota camry


how I change the EGR valve assist switch for toyota camry 2000

Jul 29, 2009 | 1996 Toyota Camry

1 Answer

Engine light,poor acceleration and bucking from engine


The evaporation canister can cause this, so would any vacuum leak. A faulty throttle position sensor or camshaft position sensor would also cause this but it would in the diagnostics most likely.

Jul 22, 2009 | 1999 Toyota Camry

1 Answer

2000 Toyota Camry hesitates when accelerating


one of the spark plug coils is shorting out take to a shop whose scantool (computer) has an misfire monitor on it they will be able to find which coil it is. if you don't have a check engine light.

Mar 16, 2009 | 2000 Toyota Camry

1 Answer

How to replace EGR valve on 2000 camry V6?


If you have a P0401 code from a CEL, the first thing is to check the EGR vacuum modulator. It is a little well usually next to the EGR. Pop the cap off and dust the little sponge inside. Sometimes this gets stuffed up with carbon particles and causes recirculation problems. You should clean the tubes hooked to it while you are there. Reset the code and see if the light comes back.

Replacing the EGR is not a tidy job. It is an expensive part to replace and you will disconnect the three hoses and dismantle it from engine by two nuts. Save it for the later if the previous trick fails to work.

Aug 20, 2008 | 1999 Toyota Camry

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