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1999 Camery V6 Po 171

  #1  
Old 03-10-2013, 03:06 PM
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Join Date: Mar 2013
Posts: 1
Default 1999 Camery V6 Po 171

Hi I have a 1999 Camry V6 and we are original owner of the car . this car has been having issues with engine hesitation (bucking) while driving at hwy speeds 2500- 4200 RPM and can cause car to lose power( total bank oneor two misfire and you have to turn the car off and restart it . It does not do it all the time and it a interment problem and has been going on for last 3 year. it does have other codes that show up time to time but po 171 is the main one

Problem started est 90,000 k and currently has 162,0000 on it .

Here the list of part replaced by Toyota dealer or independent repair shop . it had most work done at the Toyota dealer .



90 k spark plugs,wires , all four oxygen sensor ( car has kalifornia emission on it )

Between 90 and 161 it has MAF, all six fuel injector, thermostat , crank sensor, and list of other parts( including some vacuum lines replaced) . Last bill $500 dollars at Toyota dealer they said they have no idea what causing this problem.

This car is Fuel fowl the OEM spark plug on the car every35k-45k miles and I have spent over $2100 in repair to try to fix this problem . they say Toyota are reliable but I must have to a lemon because my chevy truck with 200k plus miles has never given me problems like this Toyota . future part they may want to ecm , coil pack but of couse none of the item test bad . any help you can lend would be great .
 

Last edited by po171; 03-10-2013 at 03:07 PM. Reason: spealing
  #2  
Old 03-16-2013, 04:38 PM
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Join Date: Nov 2012
Posts: 22
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http://www.aa1car.com/library/misfire.htm

Usually misfires on a specific cylinder are due to ignition issues. It sounds like a coil pack, plugs and wire replacement should have been some of the first things on the replace list
 
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