Question about Toyota Cars & Trucks
I need help for this Camry 2005 V4, I have replace both oxygen sensor , upstream and down stream , it run for 2 hours and it turn back on again, and I did cleaned the air mass flow sensor, what else can be fix?, I read online it have one more sensor up the from next to Engine head and outlet manifold, it call air and gas sensor,if this is the one can be fix? it cost $150 for this at Amazon.com., and also ABS light on, is it bad ABS module or the sensor at the brake / wheels, please help I really appreciated, VD
You done--- as far as your abilities go,no more guessing
You need professional help & a scan tool & reference
material, shops have, to diagnose many issues.
Posted on Jul 25, 2013
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Posted on Jan 02, 2017
SOURCE: I have a 1999 oldsmobile
fuel pressure regulator on the fuel rail is probably it or the egr valve is stuck open allowing burnt fuel to flood the intake, im leaning towards the fuel pressure regulator because the o2sensor is probably reading rich or if its reading lean then i would choose the egr valve . good luck
Posted on Aug 26, 2008
If wiggling the wires cured the code, then one of the wires is broken inside the insulation. Pull on each wire one at a time. look for the colored insulation to stretch, this will be the broken wire. For the other car that wont rev up, this is a common when the catalytic concverter is plugged up. This will also cause MAF codes, and in turn, TRAC OFF light.
Posted on Oct 17, 2008
i will try to help. 171/174 indicates lean condition in engine. the mass air flow sensor is located in the rubber tube going to throttlebody. you can try to clean it. using mild carb cleaner safe for sensors, remove sensor from tube. spray clean the tiny wires located in the cylinder. do not touch them, they are very delicate. these engines are also notorious for leaking intake gaskets and faulty pcv valves. these will all set these 2 codes. feel free with anymore questions.
Posted on Nov 15, 2008
Most faultcodes don't disappear automaticly, the have to be 'reset' manually after repairing. It sounds like the code didn't get erased after replacing the MAF. You could try to disconnect the battery for 10 minutes (disconnect and reconnect the negative (-) pole), which should erase the code.
Whenever the engine light still comes back on after that, there probably still is some (other) problem ...
Posted on Aug 24, 2009
there are no codes that say replace O2 sensors,or remove converter,Thats just somebody's guessing,When it says O2 sensor that tells the mechanic to look for trouble in that area,wiring or faulty readings,And there are four O2 sensors.
Posted on Jan 20, 2010
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