How to change air filter on fiat doblo 1.9 jtd

This is why they called them 'Tappets', in the days before they called them 'hydraulic valve lifters'.

Make sure your oil is clean and at the correct level. If it continues, the valve lifters need shimming to take out the 'lash', the gap between the lifter and the valve stem.

https://www.google.com/search?q=Fiat+doblo+1.9Jtd+tappet+noise

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Question edited for clarity.

All the fuses and relays. Fuses only for the windows.

353825 Box Relays/Fuses For FIAT Doblo Cargo ' eBay

https://www.ebay.com > ... > Lighting > Wiring & Fuses
353825 - RELAY / FUSE BOX FOR FIAT DOBLO CARGO ' 518948170 Do you want us to assure you that this part corresponds to your vehicle? We can check it!

Fuse box diagram Fiat Doblo 2010-2018

https://fusesdiagram.com > fiat > fuse-box-diagram-fiat-...
Fuse and relay location. Fuse box diagram. Cigarette lighter fuse. Assignment of the fuses and relay Fiat Doblo /-Cargo 2010-2018.

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  Fuse box diagram Fiat Doblo 2000-2010

  https://fusesdiagram.com > fiat > fuse-box-diagram-fiat-...
  Fuse and relay location. Fuse box diagram. Cigarette lighter fuse. Assignment of the fuses and relay Fiat Doblo /-Cargo 2000-2010.

https://www.autogenius.info/fiat-doblo-2000-2010-fuse-box-diagram/

F47 and F48. It looks like there are 12 relays in the links below but not marked. This link above has them marked and none for Windows, so check the fuses

Fuse Box Diagram Fiat Doblo (mk1; 2005-2009)

https://fuse-box.info > fiat > fiat-doblo-mk1-2005-2009...
Fuse Layout Fiat Doblo 2005-2009 ... Cigar lighter (power outlet) fuse in the Fiat Doblo is the fuse F44 in the Instrument panel fuse box. Table of Contents.

Fiat Doblo Combi/Cargo mk2 (from 2009) - fuse box diagram

https://www.autogenius.info > fiat-doblo-combi-cargo-...
Mar 19, 2016 - Fiat Doblo Combi/Cargo mk2 (from 2009) - fuse box diagram. Year of production: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 ...

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  Fiat Doblo (2006 - 2010) - fuse box diagram - Auto Genius

  https://www.autogenius.info > fiat-doblo-2006-2010-fu...
  Jul 16, 2018 - Fiat Doblo (2006 - 2010) - fuse box diagram. Year of production: 2006, 2007, 2008, 2009, 2010. The instrument panel fuse panel. Fiat Doblo - ...
  
  https://www.autogenius.info/fiat-doblo-2000-2010-fuse-box-diagram/
  
  and general info
  
  https://www.google.com/search?q=fiat+doblo+cargo+2009+power+window+relay+location
  
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Take your car to super cheap pay 14 dollars and they clear the code for you good luck.

post the symptoms. "cant switch off what, exactly"?
the FSM covers the tests, ever heard of the FSM. (buy it at the dealer)
or alldata.com1.9JTD,
i get to decode JTD ,thanks for not posting maker , model
Is this a FIAT"? why must i guess.?
uniJet Turbo Diesel,
Some PSA Peugeot Citroen diesel engines are also rebadged JTD units.
Applications:

• Alfa Romeo 145
• Alfa Romeo 146
• Alfa Romeo 147
• Alfa Romeo 156
• Alfa Romeo 159
• Alfa Romeo GT
• Cadillac BLS
• DR5
• Fiat Bravo
• Fiat Brava
• Fiat Croma II
• Fiat Doblo
• Fiat Grande Punto
• Fiat Marea
• Fiat Multipla
• Fiat Punto
• Fiat Sedici
• Fiat Stilo
• Fiat Strada
• Lancia Delta
• Lancia Lybra
• Lancia Musa
• Opel Astra H
• Opel Signum
• Opel Vectra C
• Opel Zafira B
• Saab 9-3
• Saab 9-5
• Suzuki SX4
• Alenia Aeronautica Sky-Y

pick one, and state country?
some (most?) alarms vary by country (LAWS dictate that)

This is a link to a fiat forum and they will be able to assist you there

http://www.fiatforum.com/doblo/329036-2005-fiat-doblo-1-9d.html

How can or would a professional repair shop change any parts
at all-- until they test a part & it failed a test & thus needs to be replaced

I would try a dealer or another shop.

Without the car to test no one can guess at any
vehicle issues for the most part

weres the leak from

160-180 Newton metres