The full “evap leak” story-
The “evap leak” or OBD code p1448 has been a persistent yet intermittent PITA since I repaired the O2 wiring early in the month. Once this O2 wiring was repaired the vehicle’s computer had been able to properly control the fuel system once again. That triggered many automatic fault checking routines within the engine management required for emissions, one of which is the evaporative emissions system. Each time it ran that protocol it triggered a pending code, then when it reran the test to confirm 8 out of 10 times it would pass the second time and the pending code was erased. Needless to say this was rather annoying, but it did skate by without a check engine light just long enough to get my tags.(emissions check is required for tags here)
The other afternoon while tinkering with my solar controller I heard a telltale whistle of a vacuum leak but it disappeared as soon as I changed to looking for it.
While checking my transmission fluid post the drain and fill, the vacuum noise happened again while idling in neutral. This time I caught it, and traced it to the vapor canister mounted in the fender. As I attempted to unplug one of the lines it crumbled in my fingers, apparently being previously glued together in an attempt at repair.
About my dashboard interfaces-
I’m a strong proponent of keeping the stock vehicle stock where I can make it work. One place I generally do this is the stock stereo. Not only are the stock stereos good for security(i’d propose that no one steals stock tape decks these days) but keeping them keeps all the dash buttons working and the dash dim for nighttime drives. Many of the newer radios are far too bright and flashy for my tastes.
Unfortunately I also need a good Bluetooth hands free system as it’s illegal here to hold a phone while you drive. Enter the “echo auto”, awhile back I was invited by amazon to beta test the echo auto. I have a dozen or so echo devices around the house so I’m very familiar with the voice interface. The “Echo Auto” moves that voice interface into your vehicle. My original “integration” plan was a cassette adaptor which the factory tape deck rejected throughly. Plan B as it were, was a cheap fm transmitter. That has been working fantastically as a hack to get the echo auto’s audio connected to the factory stereo so I can use it’s mic array for calls. Now when in my Rover my phone connects to the echo and I can make and receive calls from my phone, listen to podcasts, and for fun I can tell the echo “fire the photon torpedoes!” To which it will respond with Star Trek sound effects played through the stereo.(useless but fun on road trips)
Echo Auto and the cheap FM transmitter
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The UltraGuage is a product that I bought to try out because I wanted to leverage some of the real time data available over OBD2 to more closely monitor a few key areas of the engine management. In the next three photos you can see the three “pages” I built so that I always see coolant temp in the upper left hand corner, but the other three gauges change every 20 seconds. It still needs to be setup fully, and calibrated but it’s mounted and starting to report data.
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The long term verdict is still out, but so far I like it. I used an app for some of the same functionality in my FJ but hated having to flip back and forth between Gaia and the OBD app on the iPad, plus the iPad is bright to have open all the time at night on road trips.
UltraGauge Automotive OBD2 Scanner, Code Reader, Gauges & Mileage Calculator - All New v1.4