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LUIGI-3
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ok so today i picked my new ride but she has couple of issues- first is the check engine light which is caused by o2 sensor, thats being sorted as we speak.

second issue and i always seem to have it- there is a light knocking at from front end passenger side at low speeds. its not over big potholes or bumps but more irregular over smaller holes if that makes sense? it was already dark and raining so could not do much, i thought maybe droplinks? any ideas please?

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im not sure mate but well could be, as i said its hard to track it in dark. but checked obvious and easiest things like given exhaust a shake, rocked every wheel and tried to press on each side, so i think you are right mate

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ok so bit of a update- got it scanned today and it came up with code P0030 Heater circuit, bank 1 sensor 1, but when i googled it it came up with rear sensor so i take its post cat ??? could someone clarify this for me please?

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Generic OBD Error Code Details for P0030
 
HO2S Heater Control Circuit
What does this mean? OBD Code P0030 refers to 
Oxygen Sensors (O2S) or Heated Oxygen Sensors (HO2S) need to reach a minimum operating temperature of 750 degrees F to produce an accurate voltage signal. The faster the heated oxygen sensor reaches that temperature the faster the sensor will start sending an accurate signal to the Engine Control Module (ECM). In order to achieve the require temperature, a heater element is included inside the heated oxygen sensor. The ECM controls the heated oxygen sensor heater element based on signals from the engine coolant temperature and engine load. The ECM controls the heater element circuit by allowing current flow to ground. The ECM monitors the voltage signal received through the heater element circuit and determines the state of the circuit by comparing the voltage detected with the factory specifications.
 
Symptoms Possible symptoms of OBD code P0030
- Engine Light ON (or Service Engine Soon Warning Light) - Engine may be running rich - Fuel vapour from Exhaust - Low MPG
Causes Possible causes of OBD code P0030
- Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit poor electrical connection - Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit - Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse - Faulty Engine Control Module (ECM) The Error code is generally activated on detection of the following conditions: The P0030 is set when the ECM detects an open or shorted to ground condition on the heated oxygen sensor heater circuit
 
Possible Solutions
The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow, which is a very common problem for this type codes. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors. HO2S Heater Control Circuit Bank 1 Sensor 1 is the generic definition for the P0030; however your vehicle's manufacturer may have a different definition and information for the P0030 code.
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spoken to local dealer and they said its 240 quid for sensor  :wacko:  which im surely not paying :angry: , i will try to check fuses as gambit said, or source sensor from somewhere else :/ oh and that website is also like 169 quid :( wouldnt think they that costly. i dont mind going decat and deleting post cat sensor if that would be cheaper option

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found some bosch sensors on eurocarparts for like 66quid :) that sounds a lot better, but still no point in buying one and not knowing whether its the actual fault. but what i also found that heat shield started rattling today and it does my head in. weather is crap and im not off until monday and tuesday :( but overall im happy :)

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no not at all haha i think must be them specs :) on the serious note- stants was curious whether i had arb and today i looked and hey ho what i see? arb :) with knackered bushes :)

oh and car is gx sport 2004, i will post pics of interior at some point, as it has some bits which i havent seen in gxs before like bucket seats etc

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yep will change them both front and rear ones, droplinks and bushes, but first i need to find what size are bushes and what type links as there seem to be awful lot of choice. but im on right track at least :) then better things to come- exhaust and wheels :)

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