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Hey yall, you have a noob in your ear. I recently, bought a 2000 2.2 camry and changed the spark plugs and wires and now it will idle fine but accelerating sputters and pings, not too bad but you can tell. I was just wanted to know how long the "learning process" takes for the computer to compensate for the new ignition components. Will it just go away eventually or should I disconnect the battery and relearn everything?
first off, did u replace the spark plugs one at a time or pull the wires off then replace them? the reason i ask is because if you pulled all the wires off when you replaced them you may have mixed up the order of the wires.
if thats not the case then you may wanna check that u seated the plugs properly and that your wires are in good shape. the best way to do this is to wait until dusk or go into a dark garage. then start the motor and open the hood. you should be able to see if your getting and sparks where they shouldnt be.
i've never heard of a "learning process" for new plugs.
Yeah, I replaced the plugs and wires one at a time. The plugs were seated properly(bosch btw). The learning process I was referring to how the computer will store operating parameters (someone help me out here) and when you replace an old part, it upsets the balance that the computer has created. eg fuel to air ratio, monitored by the O2 sensor for combustion... I replaced a few plugs and wires in my time and everytime there was a learning curve for the computer to relearn new operating parameters for proper fuel combustion, etc.
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95 LE 5SFE 530K km, 530K km changed engine, 549K km second engine died, now 554K Km running with a 98 5SFE block and head
01 XLE V6 310K km
Denso plugs are good also. My car, 2000 Camry 2.2L, came with NGK R, not sure of the plug model no., from the factory. I replaced them with Denso Double Platinum with dual ground. They looked the same as the NGK plugs and I had no problem with the car. It runs about the same as far as I can tell.
The Denso plugs are PK20TR11 IIRC and will run about $6-7 ea which is somewhat less than the NGK plugs of the same style.
The learning curve should be pretty fast. Any change is in operating conditions is known by the ECU within the first few cycles after the change has been made. That is probably not ur problem. Besides its not like the plugs are changing at all once installed so the ECU should recognize a change and compensate with the first five minutes of running.
thanks everyone, just drove the camry 90 miles and it finally threw a P304 code, which means misfire in #4. I have been using Bosch for a long time with no trouble. I got lifetime autolite wires so I am going to take them back and get new ones. If that doesn't solve it i will definitely get denso or ngk. I will update you when I solve the mystery. Thanks again!
DUMP THE BOSCH! I used to use regular Bosch platinum tip plugs in my 92 camry. I switched them out with NGK Iridium IXs boy did I see a difference. I'll never go to bosch every again only to use their wireset.
Well, I checked the wires with a volt ohm meter and they all checked out. Replaced the #4 spark(P304 code) plug and still no solution. Tomorrow, I will replace the coil. Keep you guys updated. Thanks for the input.
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125 front wheel horsepower with major retard issues between 4500-5200RPM -
OD switched off, even when not in 3rd results in major power loss/rpm drop.
__________________
85 LE 2SE 500K km - died trying to push a semi off the road
95 LE 5SFE 530K km, 530K km changed engine, 549K km second engine died, now 554K Km running with a 98 5SFE block and head
01 XLE V6 310K km
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new plugs developed learning problem
I replaced a few plugs and wires in my time and everytime there was a learning curve for the computer to relearn new operating parameters for proper fuel combustion, etc.
I'll never go to bosch every again only to use their wireset.
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