Questions & Answers for: lean fuel trim code 07

...lean, there is actually an open technical service bulletin for this issue on your car, for clogged fuel injectors. That could be the problem, as well as a vac. leak, a malfunctioning bank 2 sensor 1 ...

...fuel. If that doesn't solve the lean condition, it sets a code for "too lean". Your job is to look for vacuum leaks because that's the most common cause. Also, check for any deterioration or cracking ...

... P2271, P0171 P0171 System too Lean (Bank 1)P2097 Post Catalyst Fuel Trim System Too RichP2271 O2 Sensor Signal Stuck RichP2626 O2 Sensor Pumping Current Trim Circuit/Open_____________FGTech Galletto ...

...fuel trim system lean bank 1 conditions.possible causes air leaks in intake manifold exhaust pipes or exhaust manifold. fuel control sensor is out of calibration such as ECT IAT MAF.fuel component ...

...with only 40 k that is giving me a random misfire and o2 sensor code it is losing power. is this a common problem and what is the common fix Try and change type of fuel you using.Use high octane

what is engine code p1174 P1174 indicates fuel trim cylinder balance malfunction. This means that your cylinder-to-cylinder air to fuel ratio is not balanced properly

Fuel Trim too Lean (Bank 2) fuel trim is system to modify injector pulse if system go lean it will go rich when the system is too much lean and is max.rich it code look for 02 sensor bank 1 and 2 data

fuel trim lean sensor where is it located Fuel trim is measured off several different sensors. O2 sensors mostly. Many things can cause lean codes. Clogged fuel filter and injectors. Vacuum leaks, MAF

Fuel Trim System Lean Bank 1 https://www.autocodes.com/p0171_pontiac.html P0174: Fuel Trim System Lean Bank 2 https://www.autocodes.com/p0174_pontiac.html P0101: Mass Air Flow Sensor Performance https

...But unlikely to be the issue. You need an auto electrician with a scan tool computer to check all the sensors and check long term and short term fuel