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Boxster 2,7 US-model 2001 - FC: p430, p420, p1411
Hi Guys,
Miles of the car: 146 000 ml
Codes p430, p420, p1411 pop up. Recently coming back after reset in 40miles. Here is the list of actions I have done and no help:
1. Checked the extra air pump
2. seeked air leaks (porsche dealer did too)
3. Changed secondary air valves and piping using Porsche re-design set
4. Changed Gas cap
5. Change the plugs (Porsche checked they are fine)
6. Changed air mass sensor
7. Put Forte (Tetron type agent) to the fuel (This extended check ligth appearence up to 320 ml)
Porsche dealer maintenance guy said according to their instructions, next step would be change of Cats. They are deam expensive and would really like to hear your comments first.
Car is running a bit lean (full power is not there)
Earlier owner had kept car in the cold garace 1,5 years. There was also some defected pipes on the top of the engine that he had repaired using "home made" system. I replaced these parts to new once.
Thansk a lot in advance!
Tim
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