986 2.7 power loss
08-04-2022, 07:26 PM
#1
Track Day
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986 2.7 power loss
Needing some help and ideas…
Backround; car has 80k miles. Been quite little use about last years.. and there was Cel light with codes P1128 and P1130. -I was suggesting bad MAF or 02 sensor issue. -Car was running still ok.
Until same day when i got new maf, there was some slight power loss when accelerating hard +4000rpm. -And there was new code P0154 (O2 sensor) (with P1180 and P1130).
I replaced MAF (new Bosch part) and 2 02 sensors (before cat), Bosch parts too. -Cleared codes after that, no codes!
Still, there’s some slight power loss on upper rews.. Somehow it feels like car has more power when engine is ”cold”. -No any oil smoke or anything, idle feels normal.
What you say? Where i should go look problems?
Facts are there’s quite old spark plugs. Fuel filter are possible original (unknown if has it ever been replaced)
what you say?
Backround; car has 80k miles. Been quite little use about last years.. and there was Cel light with codes P1128 and P1130. -I was suggesting bad MAF or 02 sensor issue. -Car was running still ok.
Until same day when i got new maf, there was some slight power loss when accelerating hard +4000rpm. -And there was new code P0154 (O2 sensor) (with P1180 and P1130).
I replaced MAF (new Bosch part) and 2 02 sensors (before cat), Bosch parts too. -Cleared codes after that, no codes!
Still, there’s some slight power loss on upper rews.. Somehow it feels like car has more power when engine is ”cold”. -No any oil smoke or anything, idle feels normal.
What you say? Where i should go look problems?
Facts are there’s quite old spark plugs. Fuel filter are possible original (unknown if has it ever been replaced)
what you say?
08-04-2022, 09:10 PM
#2
Burning Brakes
There has been a series of bad MAF sensors. Some reported receiving several and only when they swapped them into another car did it become obvious that the part was bad. See about 6 threads down. How many miles on the new parts and does the problem continue?