BRAND NEW OEM Quality MAP SENSOR (MANIFOLD ABSOLUTE PRESSURE SENSOR) FOR LANDCRUISER 1FZ-FE

Please verify your original MAP sensor matches the 3-pin connector shown in our images and carries the OEM part number 89421-20190. This sensor is specifically designed to handle the harsh under-bonnet conditions of the 1FZ-FE Land Cruiser engine.

Ships Daily from our Cranbourne VIC Warehouse. Unsure about fitment? Contact our expert team.

TO SUIT

Toyota Landcruiser FZJ78 FZJ79 [1999-2007] 4.5L 1FZ-FE
Toyota Landcruiser FZJ105 [1998-2002] 4.5L 1FZ-FE

OEM#

Toyota 89421-20190, 8942120190, 89420-44030
Denso 079800-4410, 079800-4990, 079800-5770, 079800-4790, 709800-4790

PACKAGE INCLUDES:

1 X OEM Quality MANIFOLD ABSOLUTE PRESSURE SENSOR (3-PIN PLUG).

The boost pressure sensor is a crucial component in a turbocharged or supercharged engine system. It measures the pressure of the air entering the engine to ensure the proper functioning of the forced induction system. This sensor helps the engine control unit (ECU) optimize the air-fuel mixture for better performance and fuel efficiency, and to prevent any potential damage to the engine due to over-boosting.

If there are issues with this sensor, it can lead to poor engine performance, reduced power, or even trigger the engine warning light. Replacing or troubleshooting this sensor might be necessary if there are noticeable problems with the vehicle's performance.

COMMON QUESTIONS

Why is my 1FZ-FE Landcruiser using so much fuel?

A failing MAP sensor sends incorrect pressure readings to the ECU causing it to run rich. This results in terrible fuel economy black smoke and a lack of power when towing or driving off-road.

Is this sensor suitable for outback touring?

Yes. This premium aftermarket sensor is built to OEM specifications to withstand the heat and vibration of harsh Australian 4x4 environments ensuring reliable engine management.

Where is this sensor located?

It is normally mounted on the inner guard or firewall connected to the intake manifold via a small rubber vacuum hose. Always inspect this hose for cracks when replacing the sensor.

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What fault codes does a faulty MAP sensor trigger?

A faulty MAP sensor typically triggers codes P0105 to P0109. P0105 indicates a circuit malfunction, P0106 indicates the signal is out of range, P0107 and P0108 indicate the signal is too low or too high respectively, and P0109 indicates an intermittent circuit fault. These codes combined with symptoms such as poor idle and black smoke are strong indicators of MAP sensor failure.

How do I test a MAP sensor?

With an OBD2 scanner in live data mode, the MAP sensor should read close to atmospheric pressure (around 101 kPa) with the engine off, and drop to 30 to 50 kPa at idle with the engine running due to manifold vacuum. Under wide open throttle the reading should rise back toward atmospheric. A sensor that reads flat or does not respond to throttle changes has failed. You can also test supply voltage and signal output with a multimeter.

Can I drive with a faulty MAP sensor?

You can drive short distances but engine performance will be noticeably degraded. The ECU uses the MAP sensor to calculate fuel delivery - a faulty sensor causes incorrect fuelling which leads to poor economy, rough running, and increased emissions. On turbocharged engines a faulty MAP sensor can also prevent boost control from operating correctly. Replace it as soon as possible to avoid further damage.

What does a MAP sensor do?

The Manifold Absolute Pressure (MAP) sensor measures intake manifold pressure to help the ECU calculate the correct fuel and ignition timing. It is critical for engine efficiency, particularly on turbocharged and supercharged vehicles.

What are the symptoms of a faulty MAP sensor?

Symptoms include poor acceleration, rough idle, excessive fuel consumption, black smoke, engine hesitation, and a Check Engine light with codes P0105-P0109. Turbocharged vehicles may also experience boost control issues.

What is the difference between a MAP sensor and a MAF sensor?

A MAF (Mass Air Flow) sensor directly measures the mass of air entering the engine. A MAP sensor measures manifold pressure and the ECU calculates air mass from that reading. Many vehicles use one or the other; some use both. They are not interchangeable.

Identification
SKU	MP246
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	MP246
Reference OEM Number	89421-20190
Other OEM Numbers	89421-20190, 8942120190, 079800-4410
Related Part Numbers	AS177, MAP-017, MAP1060
Product Specifics
Product Type	SENSOR
Sensor Type	Manifold Absolute Pressure (MAP) Sensor
Number of pins	3 -pin connector
Connector Shape	oval
Number of mounting bores	2
Other Details
Note	Always verify fitment using your vehicle's OEM part number.