Question about Canon Rebel XT / EOS 350D Digital Camera

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My AF is not working- I read you can clean the sensor- what do I clean it with?

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If camera AF not Focusing then open camera and clean AF unit flex. and blow the AF unit from undernight mirror.
check mirror spring is there or not if not then it want focus.

Posted on Aug 08, 2010

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What is a AF Sensor on a 2008 Honda odyssey ?


AIR/FUEL Ratio Sensor is just another name for oxygen sensor and is common for ULEV emission. and is twice the price of O2 sensor,Sadly the regular won't work and you will lose money if you go different rout.Buy the right sensor the first time and you will be good for a long time. Honda uses DENSO and is the one your computer will read the best.
good luck

Oct 06, 2014 | Honda Odyssey Cars & Trucks

1 Answer

2004 jeep liberty not reading sensors


did you first check all fuses???? that be 1st !!!
dead cold engine, I OFF the rad cap, is the system full? of AF?
is the AF/ tested at 50% with the $2 tool? "prestone tool"
Does the AF coolant look like Mississippi mud?
AF= Antifreeze SOLUTION (coolant)

is this the 3.7L V6? , ????? that be first. what engine option. of 4.
even a 2.8L diesel.

no, the PCM is not the problem(CPU the brain) not at all.
unless the fans die... on 2.4L engine. got 2.4?
first tell us when it overheats. ?

parked. stopped only?
moving fast? ever? overheat.?
both ways?
Does the fan kick on , as the FSM tells you,.???

2 engines, have a viscous fan clutch others have electric fan
until you post engine. we can not help.

is the radiator fins clean? free of junk? front to rear.
if yes, it should not overheat moving fast.
if it only overheats parked, the fan is bad.
or clogged rad tubes... (easy test ask,with $15 pyro gun)

there is a start..

Jan 29, 2014 | 2004 Jeep Liberty

2 Answers

AF sensor malfunction bank 2 sensor 1


Common problem, this bank and sensor are located in front by the radiator, if you are the one to perform the repair, when you crack the sensor open spray w40, then continue getting it loose, some times jams and damage threads in the exhaust manifold.

Often when the vehicle has lots of miles, there is a need to replace both af sensors, if you replace af bank 1 today, the computer sees a healthy signal and compares the readings to the other old sensor, then sees the difference and sets a code for the other sensor.

Dec 31, 2010 | 2001 Toyota Highlander

1 Answer

Camera stuggling to take pictures under normal


If it was working ok before, I don't think your friend did you too many favours. They may have left a residue on or mis-aligned the sensor.

But this looks more like an exposure issue. Unless the AF sensor also governs exposure control.

I daren't suggest anything which may ruin you camera, but it may still be a "cleaning " issue. First I'd check the AF sensor lens on the front of the camera, should be nice and clean. Second, go back to your friend and ask them to show you exactly what they did. You may see something out of place.


Jul 19, 2010 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

AF Error Code




If thats not it, then you nay have a faulty sensor.
AF Restricted Airflow Condition
"AF" flashes if a restricted airflow condition exists. Check to make sure the lint screen is clean, the door seal is in place and the vent is not
obstructed.

Mar 18, 2010 | Maytag Bravos 7.0 Cu. Ft. Electric Dryer

1 Answer

My cannon eos rebel x 35mm wont take pictures on auto focus acts like the timing is off. Works fine on manual focus. Have already tried different lenses, batteries, and cleaning.


Your AF module needs to be replaced. Or maybe the mirror part that bounces light to the AF module.

Another possible issue is light. The AF sensors need a certain amount to light to be able to see if its in focus. Some lenses don't allow that much light to pass, so the sensors can't focus the lens. Try a lens that passes more light, like the 50mm f/1.8 or point your lens at a very bright scene.

If increasing the light level doesn't solve it, it needs repair. You might check Ebay for a "parts" Rebel to have spare parts for your good one.

Jan 25, 2010 | Canon EOS Rebel X 35mm SLR Camera

1 Answer

Reads "machine error af"


There is something wrong with the document feeder. Check if there are no pieces of paper stuck somewhere, and that any sensors are not stuck (sensors are usually small plastic pieces, that are lifted up when a sheet of paper moves below it).

Nov 07, 2009 | Brother MFC 9180 All-In-One Laser Printer

1 Answer

AF problem in CANON 350D


This is a problem with the mirror and the sensor. Have you out the camera in sensor clean mode? turning the camera to P then use the menu buttons to go to the second set of tool. clean sensor is there. You must have a good battery charge for it to work. take off the lens then hold the camera face down and activate the sensor. This did not work for me but this was one of the suggestions, if the mirror does lift back up when you put the camera in sensor clean mode then it is not the hinge that some are paying to be replaced. I took my camera and oddly enough turned it upside down in af mode in auto mode and it started shotting photos and focusing again. i did this about ten shots and when I put it back right side up everything worked fine! Try it and let me know.

Erikka Tiffani

Sep 04, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

Need to find location of egr sensor


A 2000 Camry with a 4cyl does not have a EGR sensor. The ECU uses the readings from the MAP and AF sensors to determine if the EGR is working.
You have a EGR VSV (vacuum switching valve) and a EGR modulator but no position sensor. Only the V6 has this.

Apr 02, 2009 | 2000 Toyota Camry

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