Questions & Answers for: Toyota 4Runner p0420 code

I have problem with code 1126 (toyota 4 runner 2001 Mechanic first says was the throttle body, he change now code 1126 appear..some help please. god bless you Manufacturer Specific Codes P1100 BARO ...

code for toyota 4runner on radio recently had the help screen on radio. solved that problem but now the code the dealer gave me does not seem to be the right code. is there a master code to bypass all

I have a 1994 Toyota 4Runner with a V6 and the check engine light came on i jumped the terminals and code 14 and 26 came up. what does the codes mean? These are the codes and possible causes taken ...

How do I see/get error codes for my 1988 4Runner? (Idling prob.) How do I see/get error codes for my 1988 4Runner? (idling prob.) The check connector is located near the No. 2 relay box. Short ...

I have Toyota 4 runner 1999 limited and I find eginen light on and find 2 code 1-P0420 2-P0420(pd) Could you tell me what they main http://repairpal.com/OBD-II-Code-P0420-Toyota

...code reported: P0420 Catalyst System Efficiency Below Threshold (Bank1). you will need to change the catalitic converters. Very common issue and if at all possible do not use after market cats. They ...

toyota 4runner 1994 engine codes 12,52,71 what are these Code 12 Engine revolution signal missing Code 52 Knock sensor fault Code 71 EGR system malfunction CODE 12 - IS RPM SIGNAL POSSIBLE CAUSE ...

...P0420 code triggers the Check Engine Light if the readings of the two sensors are similar. This is indicative of (among other things) a converter that is not working as efficiently as it should be ...

Need help with codes 300, 301, 306 and 171 We received a check engine light and used our code reader to see 300, 301, 306, and 171. We replaced all the coils, cleaned the MAF and throttle body and ...

How do I read check engine codes How do I read the check engine codes on a 1986 toyota 4Runner with a 22re motor and manuel transmission This is fairly early in the codes department so the method will