...exhaust is used for comparison to the front sensor to determine if the converter is working properly. If a rough idle is present or one of the other symptoms, begin the process with the most likely ...
...small test I told you with the exhaust. Let it idle and check the exhaust, then even hit the throttle and see if it shows then. If you're smelling anti-freeze out the tailpipe, it's definitely not a ...
...Exhaust leak between engine and first oxygen sensorPossible Solutions: a lot of times, cleaning the MAF sensor and finding/fixing vacuum leaks fix the problem. If you're on a tight budget, ...
...small exhaust leak, spark plug or fuel injector issue, spark issue...the list goes on. This code will need a good understanding with diagnostic procedure and testing and a scan tool would help. You ...
exhaust. Cleaning the MAF is unlikely to make a difference, as if this is the problem you'll either get a lean code for both banks (P0171 and P0174) or a MAF sensor code (P0101). If the O2 sensor is a
fault code 171 engine misfire at high rpm Code 171 = Fuel system lean. This is most likely caused by a vacuum leak in a small vacuum hose or a leaking gasket on the intake or an exhaust leak.
...i can not pass emissions test. Have you a leak in the exhaust??even a small leak will cause the lambda value to be out check your exhaust How about the post cat O2 sensors? Are they working
small leak code p0128 indicates a mechanical fault ( could be the thermostat stuck open) code p0174 -system too lean -bank2 ===causes --intake /exhaust leak--fuel pressure/pump--injectors--AIR system-
Question about Toyota Cars & Trucks
...page. https://www.obd-codes.com/p0171 p0171 means that you sensor is reading a lean message. There is probably a small vacuum leak around your intake manifold or a small exhaust leak near the
...small V-8. The tester returns codes P0171, P0172, P0174 and P0175. What does all this mean? those codes are for lean engine condition look for vac leaks at the back of engine to the pcv valve could ...
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