Question about 1998 Toyota MARK II

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Where do i find the 31 vaf sensor curcuit on a 4s camry engine

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Toyota Camry Cressida OBD Trouble Codes -

www.troublecodes.net/toyota/toyota-camry-cressida/
Get Help at BAT Auto · Get an ALLDATAdiy Repair Info Subscription ... Toyota Camryand Cressida have two separate diagnostic connectors and two separate diagnostic modes which both provide ... 92-95 Camry 2.2L Engine Code: 5S-FE ... 31, Volume air flow (VAF) sensor-Cressida -circuit, Wiring, VAF sensor, ECM.

Posted on Nov 13, 2015

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What causes codes #24 & #31 air flow meter signal on 1993 Toyota Camry to show up


24 is an air intake temperature circuit fault
31 is a fault in the MAP sensor circuit or air flow meter circuit.

It may be that there is a short or corrosion in the wiring connections to that area of the engine intake tract. Disconnect and reconnect these a few times to see if the fault is cleared.

Note: to clear trouble codes you will have to remove the EFI main fuse for 30 sec. See here p 299

http://www.turboninjas.com/camry/eg1.pdf

The output of these 2 codes simultaneously points to the ENGINE coolant temp sensor ground circuit being broken somewhere (E2 connection). See above link p356. Using this info you can also test the sensors in the air intake.

Dec 24, 2016 | 1993 Toyota Camry

1 Answer

I have a '11 Toyota Camry LE, the VSC, and engine light are on. I have these codes from the local auto parts shop: C1201, P0171, and P0101.


code p 101 refers to mass air flow(MAF)sensor/volume air flow(VAF) sensor --range performance problem====causes --intake leak/blockage---MAF/VAF sensor

code p 0171 refers to system to lean bank 1===causes ---intake /exhaust leak---AIR system---MAF/VAF sensor ---fuel pressure/pump---injector/s---HO2S ( heated oxygen sensor --the one in the exhaust manifold before the cat converter bank 1)

I don't have a listing for the c code but from the other 2 codes I would be checking around the maf/vaf sensors and the HO2S sensor (replace)
start with checking the wiring and connections to both units

Oct 29, 2016 | Toyota Cars & Trucks

1 Answer

I got engine code p0101 and p0102 Ck the MAF sensor and its good what els should i look for ??


check the volume air flow sensor(VAF) as well--low input or range /performance problem===causes--intake leak/blockage--VAF sensor---wiring short to ground --VAF sensor.

Mar 08, 2015 | Cars & Trucks

1 Answer

What can cause po171 code


code p0171 refers to system too lean bank 1==causes intake /exhaust leak--AIR system--MAF/VAF sensor--fuel pump /pressures--injector/s--HO2S sensor

The easiest one to check is the HO2s sensor before the cat converter in bank 1

Aug 20, 2014 | 2000 Toyota Camry

2 Answers

P0171


P0171 System too Lean (Bank 1),Here's what is listed for the code.OXYGEN SENSOR.

Sep 10, 2012 | 1997 Toyota Camry

1 Answer

92 corolla with VAF code 31 acts like MAF sensor is bad; car bogs when accelerated, stalls cold. But there is no MAF-I confirmed this with the dealer. What is malfunctioning?


Your corolla doesn't use a MAF sensor, it uses a MAP sensor

The map sensor is located on the Intake Manifold right by the throttle body. That could easily be causing the issue you're stating.

Mar 01, 2011 | 1992 Toyota Corolla

1 Answer

What does dtc-31 vaf sensor circuit mean or stand for?thats what my scan tool tells me is wrong with my car.


i had the same problem on my 96 monte carlo. its the mass airflow sensor. the sensor is dirty and needs cleaned off or, you need a new one, or you have a short in you MAF wiring. It could also be a vacuum leak. hope this helps.

Nov 25, 2010 | 1995 Toyota Camry

1 Answer

2002 chevy blazer codes 443 449 i replaced the maf sensor the vaf sensor on air horn the emmision valve on the engine the vent valve to even tried the gas cap clear codes drove the truck guess what codes...


p0443 is evaporative emission control system, purge control curcuit malfunction, p0449 is emission control system, vent control curcuit malfunction. p0449 is often a filler cap problem on fuel tank. try tightening cap

May 20, 2010 | 2002 Chevrolet Blazer

1 Answer

Aztek idles high obd2 codes p0102, p0141


maf or vaf A curcuit low input, po141 is 02 sensor bank 1 sensor 2. this should be the 02 sensor after convertor,

May 15, 2010 | 2001 Pontiac Aztek

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