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Empowering Engine Performance Tackling Code P0171 with Precision

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It's very possible that you do have a vacuum leak. The only real way to find out is to get a hold of a scanner that you can monitor the O2< ... Autozone told me it was a P0171 code which means the fuel system is too lean....possibly due to a MAF sensor, Oxygen Sensor, intake leak, or any ... When I Googled it, it basically said the car is either getting too much air or too little fuel and the culprit could be a number of different ... To diagnose P0171, see the Possible Causes below. Check fuel pressure. It should be about 55 psi (380 kPa). If it idles OK, try 'power braking' ... Your problem is more than likely an air leak. That code means you are running lean period. There is only one bank...so disregard the idea of a bank two. Claim your FREE engine code eraser https://free.nonda.co​ ===== How to Fix P0171 =========== Engine Code P0171 Saving Repair Parts: MAF ... When the code says that the fuel system is "too lean," it means that the computer has been adding more and more fuel, which is called Long Term Fuel Trim. P0171 is for a lean mixture. The O2 sensor is detecting too much air/oxygen. This causes engine computer to open the injectors to stay open longer to add more ... p0171 code (lean bank 1) ... The O2 sensor only cuts in (closed loop with ECM) once the engine has warmed up and coolant temp has exceeded 158F/ ... P0171 means your car is running lean,stoichiometric ratio is not balanced.this means your vehicle is taking in more air than fuel.most times it ...
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