Question about 2003 Toyota RAV4
Trouble code P1135 A/F sensor heater circuit fault b1-s1
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Posted on Jan 02, 2017
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Feb 27, 2014 | Toyota Sienna Cars & Trucks
O2 (B1 S1) Heater Circuit High
O2 heater element is damaged or the heater has failed.O2 heater control circuit is open or it is shorted to power.O2 heater ground circuit is open.PCM has failed .Hi Suzanne,here's a link to your firing order,your oxygen sensor in cylinder one,which is the exhaust manifold is bad.Need more help,I'm here.I took a guess at your engine size,if I'm wrong let me know and I will send you the right one.
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