Volkswagen OBD II Monitor Drive Cycle

Volkswagen OBD II Monitor Drive Cycle

A reader wrote in to say that she’s having trouble getting her 2007 Volkswagen Rabbit to complete OBD II monitors.  I shared the following drive cycle wither her, and decided to post it here for others experiencing similar issues with their Volkswagen vehicles. This drive cycle should be valid for Volkswagen engine codes BGP and […]

EVAP System Failure and Diagnostics

EVAP System Failure and Diagnostics

Evaporative Emissions Control System (EVAP) What Does The EVAP System Do? The evaporative emissions control system (EVAP) on your vehicle is designed to prevent fuel vapors  from escaping into the atmosphere from your gasoline tank. Why? Fuel vapors are composed of hydrocarbon molecules (HC) which when exposed to sunlight and oxides of nitrogen (NOx) result […]

Catalytic converter identification and inspection

Catalytic converter identification and inspection

In this post I’ll go over aftermarket catalytic converters, why its important to select a catalytic converter that has been approved for your vehicle, and what smog inspectors look for when inspecting catalytic converters during a smog inspection. This is going to be a long post, so if all you want is a quick summary, […]

February 2017 California Smog Check FAQ

February 2017 California Smog Check FAQ

Smog Check Frequently Asked Questions for February 2017 How do I submit my smog test? How do I determine what year a car needs a smog check? Does my RV require a smog check in California? Smog Check Frequently Asked Questions for January 2017 Why did my car fail for incomplete OBD II readiness monitors? […]

Smog, check before you buy

Smog, check before you buy

To quote one of my instructors in smog school, “There’s no such thing as an as-is sale on a car that wont pass smog”. When a car is sold, who is responsible for the inspection? The seller is required to provide the buyer with a valid smog inspection certification at the time of the sale or […]

January 2017 California Smog Check FAQ

January 2017 California Smog Check FAQ

Smog Check Frequently Asked Questions for January 2017 How many readiness monitors have to be complete to pass smog? What if I cannot get my smog test in California before it is due? Can I go to another smog check station after failing? The shop that failed my car also does repairs, can I go […]

2003 Chrysler PT Cruiser

2003 Chrysler PT Cruiser

Some 2003 Chrysler PT Cruisers (2.4 liter DOHC 16v turbocharged, sales code EDV, with 5- spd manual G288 trans, sales code DDD) are unable to complete the OBD II Catalyst monitor because of a firmware error. Chrysler is aware of the problem, and a firmware update is required to correct the problem. If you own […]

OBD II Monitor Drive Cycle Service

OBD II Monitor Drive Cycle Service

In recent years the California Bureau of Automotive Repairs (BAR) and the California Air Resource Board (CARB) have increasingly shifted the emphasis of the California emissions program to on-board diagnostic trouble codes &  monitor readiness. This is especially true for 2000 and newer model year vehicles. If you are having trouble completing OBD II readiness monitors […]

O2 Sensor Monitor Not Ready 2007 Toyota Highlander Hybrid

O2 Sensor Monitor Not Ready 2007 Toyota Highlander Hybrid

If your 2007 Toyota Highlander Hybrid fails to pass the California emissions test because of an incomplete oxygen sensor (air/fuel) monitor, your Toyota Highlander Hybrid may be subject to a recall. Affected vehicles will require a software update to correct an issue that prevents the vehicle’s on board diagnostic computer from running the O2 sensor […]

BMW OBD II Communication and Monitor Issues

BMW OBD II Communication and Monitor Issues

As touched upon in a previous post (Smog Check OBD Reference Update) certain 1999 and 2000 model year BMW vehicles with 2.5 liter and 2.8 liter displacement engines that are having trouble passing the smog inspection due to incomplete monitors may be subject to a voluntary emissions recall (00E-A01: Fault Access/O2 Readiness Codes). Model Manufactured […]

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