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Rough road sensor anyone know where to get one

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Anyone know what it is
& for what vehicle?

Posted on Dec 01, 2014

  • LaLa Tannahill
    LaLa Tannahill Dec 01, 2014

    Suzuki forenza. And I have no clue what it's for



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What would that code mean in an audi. (P0318)

P0318 AUDI - Rough Road Sensor 'A' Signal Circuit Repair Importance Level: 3/3 Repair Difficulty Level: 3/3 help.jpg
xicon.jpg Forum Code Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Engine Misfire
- Engine Run Rough

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What does the fault codes P1592 and P1667 say is the problem and what to repair?

First one is shorted rough road detection sensor, second one is anti theft sensor

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Dying while on rough road

Any number of wiring connectors or connections to and from sensors, actuators and computers can be causing this on rough roads.

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The reason of P0318 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

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Acceleration won't go past 3000 PRM at idle

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Can anyone help with problem my 2009 comfortable ride switched overnight at 8000 miles dealer cant find anything but the ride just went from very soft to rough and rockey in cabin

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Aug 05, 2012 | 2009 GMC Yukon XL

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I need some codes for a 98 Dodge Durango po300/po302/po304/p1391/po307

P0300 - Random Misfire code
P0302 - P0304 and P0307 - Misfire code on cylinder #2, #4 and #7
This description and procedure work in all cylinders failed; A P0302, P0304 and P0307 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2, #4 and #7.

Symptoms may include:
the engine may be harder to start
the engine may stumble / stumble, and/or hesitate
other symptoms may also be present

A code P0302 may mean that one or more of the following has happened:
Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer

Possible Solutions:
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

P1391 - Rough Road Sensor Performance

Circuit/System Description:
The engine control module (ECM) identifies engine misfire by detecting variations in crankshaft speed. Crankshaft speed variations can also occur when a vehicle is operating over a rough road. The ECM receives a rough road signal by a rough road sensor or an electronic brake control module (EBCM), if equipped with the antilock brake system (ABS). The ABS can detect if the vehicle is on the rough surface based on wheel acceleration/deceleration data supplied by each wheel speed sensor. This information is sent to the ECM by the EBCM through the rough road signal circuit. For vehicles without ABS, the ECM receives a rough road signal from a wheel speed sensor located at the front left wheel. The ECM can determine if the vehicle is on a rough road surface based on the signal from the wheel speed sensor.

Conditions for Running the DTC:
* The vehicle speed is between 5-100 km/h (3.1-62.1 mph).
* The DTC runs continuously when the above conditions are met.

Conditions for Setting the DTC:
The ECM detects that the change in rough road wheel speed sensor signal is less than 2 km/h (1.2 mph) while the change in vehicle speed is greater than 5 km/h (3.1 mph).

Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the B171 Rough Road Sensor.
- Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal 2 and ground.
* If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance. If the circuit tests normal and the ignition circuit fuse is open, test all components connected to the ignition circuit and replace as necessary.
- Ignition ON, test for 0.2-0.8 V between the signal circuit terminal 1 and ground.
* If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K20 ECM.
* If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the K20 ECM.
- If all circuits test normal, replace the B171 Rough Road Sensor.

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May 04, 2012 | 2004 Dodge Ram 1500

1 Answer

I have diagnosed that the kalos we have in has an abs light on due to the rough road sensor. is there any way i can tell which sensor it is

it will only have this sensor if your vehicle has not got ABS, its located in chassis rail left hand side of car under bonnet in engine bay in between both air cond hoses it can be hard to see, it sticks straight up has 3 wires on G sensor 5V reference, earth, signal (should be approx 2.5V stationary) which is Holden/Barina- Daewoo/Kalos.
check its connected in properly.
ABS vehicles rely on rough road signals directly from ABS module.
also early vehicles didnt have this fitted this was bought out in 2nd phase as Daewoo became GM DAT.
so you might have DTC P1391 set?

Mar 10, 2011 | Chevrolet Chevy Cars & Trucks

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