I put some injectors cleaners twice .I bought already fuel relay and knock sensor. My plan is change it at weekend,finger cross.

Test done. Disconected plug from knock sensor,drove 20 miles no codes,nothing change .

Air box was blocked and spark are genuine from Volvo garage.Biggest issue rpm go slowly up to 3k(take ages),I dont know why. From 3k seems to be better.Fuel pressure ok but I need to check voltage under relay.Obd scan showing low engine calculated load,but no leak nowhere.Could be auto transmision c...

No codes,never. Car does not accelerate properly ,lack of power,bit noisy .One garage told me slugish injectors for some reason.Car is not turbocharger,but I should feel 170bhp (I'm not towing caravan yet ) ?

Thanks for respond.My compresion was good ,about 207 psi each cylinder.I did block evap and pipe to brake buster but no change. Oring on injectors was replaced, manifold gasket and TB gasket.Checking everywhere for leak, find nothing.At idlle vacum is 20hg which is good.

Hi everyone.My first post here, I need help. As above my car V70 170bhp non turbo has small value of engine load also weak airflow (as you see my data from obd).I did change Maf, Throtlle sensor,Fuel regulator, Lambda sensor ,all ignition kit and car still drive with lack of performance.My catalyst ...