Need advice on check engine light
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New User
Joined: Jan 2013
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Need advice on check engine light
'04 FX4 5.4
Backfired when I was starting it yesterday and shortly after the engine light came on..Not sure of the number of the codes, but 2 are "lean bank 1&2 MAF sensor" and the other 2 are for "lean bank 1&2 O2 sensor"
Im thinking the backfire clogged the MAF sensor. I tried to clean it with brake clean but it didnt seem to help.
Wondering if I should spend the $125 on a new MAF sensor in hopes thats the problem..or is there a better way to narrow it down?
Thanks in advance for any input
Backfired when I was starting it yesterday and shortly after the engine light came on..Not sure of the number of the codes, but 2 are "lean bank 1&2 MAF sensor" and the other 2 are for "lean bank 1&2 O2 sensor"
Im thinking the backfire clogged the MAF sensor. I tried to clean it with brake clean but it didnt seem to help.
Wondering if I should spend the $125 on a new MAF sensor in hopes thats the problem..or is there a better way to narrow it down?
Thanks in advance for any input
Junior User
Joined: Nov 2012
Posts: 73
Likes: 0
'04 FX4 5.4
Backfired when I was starting it yesterday and shortly after the engine light came on..Not sure of the number of the codes, but 2 are "lean bank 1&2 MAF sensor" and the other 2 are for "lean bank 1&2 O2 sensor"
Im thinking the backfire clogged the MAF sensor. I tried to clean it with brake clean but it didnt seem to help.
Wondering if I should spend the $125 on a new MAF sensor in hopes thats the problem..or is there a better way to narrow it down?
Thanks in advance for any input
Backfired when I was starting it yesterday and shortly after the engine light came on..Not sure of the number of the codes, but 2 are "lean bank 1&2 MAF sensor" and the other 2 are for "lean bank 1&2 O2 sensor"
Im thinking the backfire clogged the MAF sensor. I tried to clean it with brake clean but it didnt seem to help.
Wondering if I should spend the $125 on a new MAF sensor in hopes thats the problem..or is there a better way to narrow it down?
Thanks in advance for any input
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
I also use it on other electronic parts with good results . I just removed and cleaned out the under dash fuse / relay block on my 04 Mounty after a soda found it's way into it , Ask My Wife how that happened !
Lead Driver
Joined: Dec 2012
Posts: 7,877
Likes: 49
From: Tennessee
. All we use at the shop I work at now ( for 14 years ) used it at other shops for cleaning in the past . My brother in law in Chicago uses it also , he works for an electronics company . He told me about using brake clean . 
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sin
1987 - 1996 F150 & Larger F-Series Trucks
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Oct 21, 2009 12:19 PM
