![]() As can be seen from the chart, all of the evidence is pointing toward an evaporation emission issue. The PDF link he sent me was an official bulletin released by Ford that explained each Mode 6 test and definition. They emailed me back promptly and told me about the proprietary nature of Ford’s mode 6 data and sent me a PDF link. Initially, when I was retrieving the mode 6 data, all I was getting was a message next to each line item that said something to the effect of, “unable to display results.” I ended up emailing the customer support team over at blue driver and asked them why I wasn’t able to read the codes’ definition. You must look this information up online. Something to note if you are attempting to retrieve mode 6 data from your Ford product – Ford has made their mode 6 data proprietary, therefore most, if not all, scan tool manufacturers will be unable to provide the user of said scan tool any explanation along with the test and ID number. Also, all of the incomplete tests soon completed after a short drive. Some of the incomplete monitors I was having are missing because they soon completed after my initial note taking, so I didn’t bother writing them ALL down. Now, as I mentioned at the beginning of this post, this issue happened last January (2018) much of the data I have is from hand written notes. The test ID numbers are displayed in the chart below: After doing a few resets of the ECU and monitoring system (disconnecting battery/reconnecting) I was ending up with the same Mode 6 test ID numbers every time. I have a few OBD 2 scan tools, but the only one I have that has this feature is my blue driver blue tooth scanner (this is an outstanding scan tool that is used in conjunction with your smart phone via app). Mode 6 is where the ECU stores the results for these self tests. As the computer is running its own self tests on the various systems on the vehicle, the vehicle stores these results. For those reading this who are unfamiliar with Mode 6, it is essentially the computer’s stored test results and other components and system monitoring. OBD 2 requires there to be 9 different modes, each representing a separate category of test data. So, I decided to look into the mode 6 data that was on the ECU. Still incomplete.Īt this point, I knew this was an issue of failure whether mechanical or electrical, versus just needing to drive the vehicle more. I drove my ranger 500 – 1000 miles, in accordance with Ford’s drive cycle procedure, with no results. ![]() Every thread I was finding basically said that the vehicle just needed to be driven, in accordance with the drive cycle procedure, so that the monitors would complete. Anyways, I went online to several forums, including this one prior to membership, and I tried to search a few different threads in hopes of finding a few hints here and there. I am very fortunate to have not been pulled over in that time frame. Eventually I did so – with incomplete registration. But, in order to verify any work or repairs I did to the ranger, I had to drive it. Fortunately, I drive other vehicles and I was still able to get back and forth to work and do daily driving. ![]() I was only able to purchase 2 months worth of extensions from the Cali DMV. I paid the California DMV $50 for a month long smog extension. Thinking this was the issue, I took the invoice informing me of my failure (still had to pay) and I drove my ranger several miles to try to get the emission monitors to finally complete. At first, I recalled disconnecting my battery a week or two before in order to work on my vehicle. I failed emissions because a few of my emission monitors were incomplete. Not because my Check engine light was on, or because I had any codes stored in the computer. Last January, I took my vehicle in for a routine smog check (like I do every 2 years). Typically, smog checks run around $50 - $60. Here in California, we have to smog our post 1975 gasoline vehicles every other year. To start with, this write up is of a 2002 Ford Ranger XLT 4.0L V6 with an automatic transmission, and California Emission equipment. My hope is that if any other Ranger, or Explorer owners run into a similar issue, this post will help them begin to troubleshoot their vehicle however, I will warn potential readers that this will be a long and drawn-out post. I decided to make a new forum post regarding a few emissions related issues I ran into a while back.
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