Please help o2 sensor heater problem
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Elder User
Joined: Apr 2005
Posts: 533
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From: Lindenwold, NJ
Please help o2 sensor heater problem
96 f150 was a 302 now it has a 351w. The bank 2 o2 sensor heater will only warm up after I drive the truck and cools down when it idles and stops working. Bank 1 works fine. I replaced bank 2 with 2 brand new Bosch sensors and repaired a broken wire that I had previously tapped into to run a stupid narrow band air/fuel gauge. It keeps tripping cel codes 153, 155 and 1151. I really need this fixed it has to pass inspection it's already 4 months late lol. Plus it never goes into closed loop mode and mpgs are poor.
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