CODE P1870,P0420 WHAT IS TROUBLE CODE P1870,P0420

codes are OBD codes and are available on line free. copy and paste

https://www.yourmechanic.com/article/p0305-obd-ii-trouble-code-cylinder-5-misfire-detected-by-jay-safford

https://www.yourmechanic.com/article/p0446-obd-ii-trouble-code-evaporative-emission-control-system-vent-control-circuit-malfunction-by-spencer-clayton

https://repairpal.com/obd-ii-code-p0446


https://www.yourmechanic.com/article/p0420-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-1-by-jamahl-walker

https://www.obd-codes.com/p0420

https://www.fixdapp.com/blog/p0420 https://www.fixdapp.com/blog/p0420 https://mechanicbase.com/trouble-code/p0420 https://mechanicbase.com/trouble-code/p0420

Got it scanned and it's P0420: Catalyst efficiency below thresholdbank 1. They said it could be a bad catalytic converter or oxygen sensor. I borrowed a scanner and tried to measure the oxygen sensor readings over time.Sep 8, 2011


civic - Check Engine code P0420 Catalyst efficiency below ...

mechanics.stackexchange.com/.../check-engine-code-p0420-catalyst-efficie...
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P0420 Error Code: Catalyst System Efficiency Below ...

www.obd-codes.com/p0420
P0420 OBD-II Trouble Code. Technical Description. Catalyst System Efficiency Below Threshold (Bank 1). What does that mean? This diagnostic trouble code ...

P0420 Code Fix How Its Done Catalyst Efficiency Below ...

? 4:25
https://www.youtube.com/watch?v=-c8090n1Ihs
Jun 20, 2014 - Uploaded by ACE AUTOS UK
Here is a tutorial on P0420 code fix catalyst efficiency below threshold How To Diagnose a p0420 code ...

Pesky PO420 Codes - Eastern Catalytic

www.easterncatalytic.com/education/tech-tips/pesky-p0420-codes/

One of the most annoying is the persistent PO420 diagnostic code (Catalyst System ... not only shows its teeth when the catalytic converter is on the blink, but can also be ... Most, if not all, catalytic converter failures are caused by a problem or ...

P0420 Error Code: Catalyst System Efficiency Below ...

www.obd-codes.com/p0420

Repair information for the OBD-II trouble code P0420 - Catalyst System Efficiency ... If they have failed, it is likely due to something else that caused it to fail. ... the catalytic converter is broken or failed, it may be restricting the exhaust which will ...

explaining trouble codes po420 - po421 - Discount Catalytic ...

Needs a cat and need to check the injector and coil. Coil most common on that model

this code does not appear in the GM code list please contact the code reader manufacturer

Google the code
OBD P1870
You got slipping I think your going to
be pulling it out & rebuilding it unless you
only drove ten miles with it doing so.
Lots on Google & You Tube Video including
seeing the code,the problem & the rebuild to resolve

Trouble Code: P1870

Transaxle Component Slipping (4T60-E)

Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP angle from 8-35%, commanded gear not in 1st gear and the gear range is D4, TF

P0420 isnt a misfiring code; this code P0420 is refer at Catalyst System Efficiency Below Threshold (Bank 1).

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Here's was the code means:
P1870 Transmission Component Slipping

A code that indicates a problem with your tranmission. Ususally causes a hard shift from 1st to second gear. Need to have a transmission expert look at the vehicle. Most cases the torque converter is the main problem. But, sometimes the transmission may need rebuilt if damage has occurred.