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Ask Ted Ritter Your Own Question
Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4447
Experience:  Toyota Master Tech, ASE Certified
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My MAF on 98 toyota 4 runner 2.7 liter may be out, I

Customer Question

My MAF on 98 toyota 4 runner 2.7 liter may be out, I inspected it, looked clean but gave codes p0172, p0100, p0101, p0110
JA: What is the complete model and serial number of your machine?
Customer: dont have serial #
JA: Are you fixing this yourself? What have you tried so far?
Customer: this 4 runner has 235000 miles. got analyzer today and provided the above codes pointing to MAF, possible EGR, intake air sensor have a bad water pump too
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: does this cost
Submitted: 5 months ago.
Category: Toyota
Expert:  Ted Ritter replied 5 months ago.

Thanks for posting,

MAF sensor failures are common and these engines, try replacing it first and clear codes and see if any of the others come back, the 172 is specific for the MAF sensor, the other codes will probably clear after that.