00:00If you're chasing boost numbers and your gauge is acting lazy, or worse, your ECU is pulling fuel
00:04because it doesn't trust the pressure reading, you've probably got a tired map sensor.
00:09I went down the rabbit hole and found the best deals out there on the top 5 map sensors for
00:14turbo boost readings, and trust me, these prices are stupid cheap for what you get.
00:19First up, the Detroit Diesel 3 bar sensor, part number 1222-3861, also crosses to 213-1562 and
00:27a few other numbers. This thing has been sold almost 5,000 times, and it's rocking a perfect
00:335-star rating, which tells you folks are happy. It's a Direct Fit 3 bar sensor, so it reads up
00:38to
00:39about 44 PSI of boost, plenty for most upgraded turbos and tuned diesels. At just $8.95, this is
00:47the kind of spare you buy two of and toss one in the glove box. If you're running a Detroit
00:52or a
00:52diesel that takes this style, it's a no-brainer. Next, we've got the VAG 3 bar sensor for VW,
00:59Audi, Seat, and Skoda, part 0281002401 or 038906051C. This is the classic go-to for the 1.8T and a
01:09bunch
01:09of other VAG engines, and it's sold nearly as many units as the first one with a 4.9-star
01:14rating.
01:15It's a genuine 3 bar replacement that plugs right in, no wiring hackery needed.
01:21For $15.85, you're getting a sensor that tons of guys run on tuned GTIs and A4s without issues.
01:28If you're chasing a boost leak or a P0238 code, this is a cheap way to rule out the sensor
01:33before
01:33you start replacing turbos. Coming in third is another VAG 3 bar unit, this one for the bar
01:39and Golf 4 1.9TDI, part 02812394 or 038906051A. Same 3 bar range, same 5-star rating, and it's moved
01:52almost 4,800 units. If you've got a MK4 TDI that's been feeling down on power or throwing boost deviation
01:59codes, this is the exact sensor your car wants. The price is $13.86, which is less than a tank
02:06of fuel,
02:06and it's a 5-minute swap with a torque spit. Honestly, for a sensor that's this critical
02:11to fueling and boost control, that's a steal. Fourth on the list is the 4 bar sensor for VW,
02:18Audi, Seat, and Skoda, part 03K906051 or 0281006059. Here's where it gets interesting,
02:28because this one reads up to 4 bar, or roughly 58 PSI, so it's the pick if you're running big
02:33boost on a 1.4 or 2.0 TDI and you've maxed out a 3 bar sensor. It's sold over
02:394,400 times with a 4.7
02:41rating, and it's priced at just $9.94. That's the cheapest way I've seen to upgrade your pressure
02:48range without touching your tune's map scaling. If your tuner told you to grab a 4 bar, this is the
02:54one. Last but not least, the GM-style 3 bar sensor for electromotive, motec, and megascort setups,
03:01part 12223861 or 16040749, and it even comes with the plug. This is the DIY and standalone ECU
03:10crowd's favorite, because it's a standard GM-3 bar that most aftermarket ECUs already have a
03:15calibration for. Nearly 3,900 sold, full 5 stars, and it's only $7.83. If you're building a megascort
03:24project or replacing a sensor on a motec harness, this is the cheapest and easiest way to get accurate
03:29boost data into your ECU. Grab the plug, wire it up, done.
03:35Alright, that's the rundown.
03:38Every link for all 5 of these map sensors is in the description below, so go check the prices
03:42before they change.
03:44If this helped you out, smash that like button and hit subscribe, because I've got plenty more
03:49cheap parts finds coming your way.
03:51Thanks for watching, and I'll see you in the next one.
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