 Mass Air Flow Sensor |
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| Mass Air Flow Sensor |
 Oct 2 2008, 02:00 PM
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#1
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Newbie Group: Members Posts: 12 Joined: 29-September 08 Member No.: 48,726 Status:  Location: USA Drives: 1987 Volvo 240  |
I have a 1987 240 and was just wondering where the MAF sensor is located. The car is idling rough and was to see if this is the problem.
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Oct 2 2008, 03:25 PM
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#2
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 Full Member  Group: Members Posts: 130 Joined: 10-February 08 Member No.: 38,234 Status: Location: Annapolis, MD Drives: 1992 Volvo 240 |
Do a search for AMM(air mass meter) to find out everything you will ever want to know about the MAF sensor. They are the same thing. It is located halfway between the air filter, and the throttle body.
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Oct 2 2008, 03:50 PM
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#3
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Expert Group: Members Posts: 685 Joined: 14-September 05 Member No.: 7,689 Status: Location: USA Drives: 2000 Volvo S70, 1988 Volvo 240, 1986 Volvo 245 |
Rough idle could also be due to a dirty throttle body.
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Oct 3 2008, 09:45 AM
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#4
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Newbie Group: Members Posts: 24 Joined: 17-July 08 Member No.: 45,680 Status: Location: NH USA Drives: 89 240 estate 93 240 volvo classic wagon |
A garage replaced all my belts and for a week it was running rough.I checked under the hood and noticed they did not re clamp the spot between the filter and air mass meter.I reclamped with an extra I had .The problem went away but it still doesn't idle like it used to.I think dirt got in there when the air mass meter was exposed,I have also never cleaned the throttle body.How long does it take for a weekend mechanic to clean a throttle body? :liebe011:
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Oct 3 2008, 09:58 AM
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#5
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Expert Group: Members Posts: 516 Joined: 15-December 07 Member No.: 35,867 Status: Location: Perth, Western Oz Drives: 9/'86 Courier Crew Cab Diesel, '80 Yamaha XT & SR 250's |
3/4 to 1 hr-if meticulus. 1/2 hr is not fussy-but depends on how much dirt and your cleaner. remember to adjust the throttle plate stop so that the plate closes the whole passage, the microswitch and the linkage, which should have minimal play-then adjust the cable for min slack. Adjust idle bypass screw according to the manual.
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