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1995 Toyota Camry Engine hesistates upon acceleration after



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Posted at Thu Jul 24, 2008 11:21 am
By jsbryner, Likes cars!
Give Feedback | Votes: 0
   
Engine Performance problem
1995 Toyota Camry 4 cyl Front Wheel Drive Automatic 156000 miles
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I have a 1995 Camry that hesitates (almost dies) upon acceleration immediately after a cold start. Once the car is warm the hesitation is almost non-apparent although not quite as peppy, especially upon acceleration up an incline. I have replaced the fuel filter, but it did not solve the problem. Any help/suggestions would be much appreciated.
 
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Posted at Thu Jul 24, 2008 11:21 am
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Posted at Thu Jul 24, 2008 11:24 am
By rasmataz, Certified 2CarPros Master Technician
Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4 (959) Give Feedback | Votes: 75
   
Check the fuel pressure, mass airflow and throttle position sensors.
 
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Posted at Thu Jul 24, 2008 6:33 pm
By BMRFIXIT, Tech level 10
Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4Reputation: 465.4 (465) Give Feedback | Votes: 16
   
May I just add :
check the ignition wires too
check it for tune up
 
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Posted at Wed Jul 30, 2008 1:02 pm
By jsbryner, Likes cars!
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rasmataz wrote:
Check the fuel pressure, mass airflow and throttle position sensors.


The fuel pressures are good, this vehicle does not have a mass airflow, and I have cleaned the intake side of the throttle body (butterfly valve and opening to hose). The spark plugs were replaced as well as new wires. Any other ideas?
 
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Posted at Wed Jul 30, 2008 3:23 pm
By rasmataz, Certified 2CarPros Master Technician
Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4Reputation: 959.4 (959) Give Feedback | Votes: 75
   
Did you test the throttle postiion sensor closed and WOT voltages could be out of range?
 
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Posted at Thu Jul 31, 2008 8:16 am
By jsbryner, Likes cars!
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rasmataz wrote:
Did you test the throttle postiion sensor closed and WOT voltages could be out of range?


I have not checked yet. Another thought, would a worn valve guide effect the car this way? It does have a little rough idle that improves upon increasing RPMs, but I only notice the hesitation when the car is in drive. If it is in park, I can press on the accelerator without any hesistation (even upon cold start)
 
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