...fuel trim figures are way out. if the fuel trims are plus or minus more than ten percent then the fuel air mixture is out .what could it be ? well the most common fault is a faulty air mass ...
...fuel trim is high teens or in the 20s then its the MAF that the problem. If fuel trim is normal, 2-5 then its the O2 sensor. MAF- Buy "Electrickleen" at the parts store. Remove the MAF sensor, WHILE ...
...Fuel Trim System Lean (Bank 1) The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of "oiled" air filters (K&N, etc.) can cause the MAF to become dirty if the filter is over-oiled ...
...trim panel and see if you can find where cable goes to fuel door and pull on it if that doesnt work cut the cable (you be replacing it anyhow) then peel back so u can get at wire inside cable pull on ...
...fuel trim is driven rich beyond a certain value. Possible causes are: 1. Exhaust system leak. 2. Improper fuel pressure. 3. Fuel injector restricted. 4. Defective heated oxygen sensor No. 1. 5. ...
...fuel trim I would change your fuel filter. I don't know if you have yet but that error seems like something to do with your pump and injectors not getting enough fuel. Let me know if that fixes the ...
engine vibration Poor tuning of the engine can result in higher engine vibration. So the fuel and ignition timing MUST be trimmed to allow the engine to tick with ease. if this wont happen the health ...
fuel trim too lean bank 1 check for vacuum leaks
...Fuel Trim (FT), System too Lean, Bank 1 Possible Causes: - Fuel pump pressure too high or regulating valve stuck closed. - Intake/ exhaust leak. - Secondary air injection (AIR) system. - Manifold ...
...fuel trim -42%, cleaned maf-reads 4.2 g/s @ idle, tip in hesitation, fuel press. 50psi, B1S1 was black on one side and white on the other - no audible exhaust leak, O2 pretty much flat line low ...
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