Check Engine Light
#1
Check Engine Light
Alright so here's the deal my truck is throwing 2 codes P0171 system lean (Bank 1) and P0174 system lean (Bank 2). I'm trying to figure out what it is. now keep in mind i go to school for auto tech. my teacher seems to think its the MAF and i've had a few other people tell me the samething. but i've also had people tell me its a vaccum leak. i figure i would turn you guys. What do you think it is? My truck is 4.0 sohc
#3
#4
You can change the elbow with an aftermarket elbow. Ford sells the whole tube for about $30-40.
https://www.ranger-forums.com/forum2...ommon-cel.html
https://www.ranger-forums.com/forum2...ommon-cel.html
Last edited by whippersnapper02; 11-13-2009 at 03:13 PM.
#7
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