happy camper
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Senior User
Joined: Mar 2003
Posts: 118
Likes: 0
From: mohave valley
happy camper
well i tested my new fuel pumps, 1990 f150, out for the last two day in the 115 degree arizona sun. my truck drives like new. what a relief. took the old front pump module apart and sure enough the check valve rubber had a small hole in it. now with my truck running so good im concerned about replacing my O2 sensor. ive read posts where someone replaces thee O2 sensor every 30,000 miles. my has 106,000 miles on it. should i just wait for it to fail or go ahead and change it now.
Posting Guru
Joined: Jul 2003
Posts: 2,222
Likes: 1
From: East Central Florida
happy camper
You can use a VOM & check your 02 sensor(s) to see if they are viablle & in parameters. Just look up values for calibration code# your truck displays.
If sensor's within tolerances leave it alone & save your $$.
If sensor's within tolerances leave it alone & save your $$.
