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2001 Ford Focus Support Question

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Question posted by reervin on July 28th, 2017

P0135 And Po141 Codes

Replaced both sensors and still getting codes. Car wont start with 20 amp fuse inserted. Remove it and its fine. Recently replaced alternator also. Stumped.

Current Answers

Answer #1: Posted by waelsaidani1 on July 29th, 2017 4:14 AM
This answer was accepted by the poster of the original question.
waelsaidani1

Member since:
May 12th, 2013

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  1. P0135 Heated Oxygen Sensor (HO2S11) Heater Circuit Bank 1 Sensor 1.
  2. P0141 Heated Oxygen Sensor (HO2S11) Heater Circuit Bank 1 Sensor 2.

Related Manual Pages

Scheduled Maintenance Guide 5th Printing - Page 5

... schedule typifies what the vast majority of engine, the PCV valve should be replaced at the owner's expense. This maintenance frequency represented in italic type are unsure about your engine type or GVW, ask your dealer. For all passenger cars and light trucks under typical, everyday driving conditions. Normal Schedule The Normal...
Scheduled Maintenance Guide 5th Printing - Page 11

... Normal Schedule 15,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect automatic transmission fluid..., suspension, and if equipped driveshaft and ball joints Inspect tires for wear and rotate Replace cabin air filter, if equipped Additional services for: Light Trucks, Sport Utilities, and ...
Scheduled Maintenance Guide 5th Printing - Page 13

... vehicle's useful life. Consult your dealer for your particular requirements. Normal Schedule Normal Schedule 30,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking brake system Inspect...
Scheduled Maintenance Guide 5th Printing - Page 14

... guide supplement (except in vehicles with yellow coolant) Additional services for: Natural Gas and Propane Vehicles Inspect fuel tanks Drain coalescent fuel filter bowl and replace filter 35,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and...
Scheduled Maintenance Guide 5th Printing - Page 15

...Check air filter minder, replace filter as required 45,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect automatic ... for optimal tire life. Rotation recommended for wear and rotate Replace cabin air filter, if equipped Change yellow or green engine coolant, if equipped 15 ...
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... steering linkage (E and F Series, Expedition, Navigator, Excursion) Additional services for: Diesel Check air filter minder, replace filter as required 16 Additional services for: Diesel Check air filter minder, replace filter as required Replace fuel filter 50,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine...
Scheduled Maintenance Guide 5th Printing - Page 17

... tire life. Rotation recommended for wear. Additional services for: Diesel Check air filter minder, replace filter as required 60,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking...
Scheduled Maintenance Guide 5th Printing - Page 19

... Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect tires for wear. Additional services for: Diesel Check air filter minder, replace filter as required 70,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine...
Scheduled Maintenance Guide 5th Printing - Page 20

...air filter minder, replace filter as required 75,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect..., suspension, and if equipped driveshaft and ball joints Inspect tires for wear and rotate Replace cabin air filter, if equipped Change yellow or green engine coolant, if equipped Additional ...
Scheduled Maintenance Guide 5th Printing - Page 22

Normal Schedule Normal Schedule Additional services for: Diesel Check air filter minder, replace filter as required 90,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking brake system Inspect...
Scheduled Maintenance Guide 5th Printing - Page 23

...Series, Expedition, Navigator, Excursion) Additional services for: Diesel Check air filter minder, replace filter as required Replace fuel filter Add coolant supplement additive as per the owner guide supplement (except in vehicles... Inspect fuel tanks Drain coalescent fuel filter bowl and replace filter 95,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane...
Scheduled Maintenance Guide 5th Printing - Page 25

Normal Schedule Normal Schedule 105,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect automatic transmission fluid level, if equipped with dipstick Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking brake system Inspect ...
Scheduled Maintenance Guide 5th Printing - Page 27

...transmission fluid level on all 2.0L, 4 cylinder engines (Escort, Cougar, Focus, and ZX2) Replace climate-controlled seat filters (Navigator, if equipped) Change manual transmission fluid (Lincoln LS only) *...Normal Schedule 120,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect brake pads...
Scheduled Maintenance Guide 5th Printing - Page 28

...Lubricate 4X2 wheel bearings (except F-450/F-550) Inspect and lubricate 4X2 ball joints (except F-450/F-550) Replace camshaft belt on 4 cylinder engine (2.0L Escape) Inspect and lubricate steering linkage (E and F Series, ... Vehicles Inspect fuel tanks Drain coalescent fuel filter bowl and replace filter 125,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, ...
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..., Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect tires for : Diesel Check air filter minder, replace filter as required 135,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane, and Diesel Vehicles Change engine oil and replace oil filter Inspect automatic transmission fluid level, if equipped...
Scheduled Maintenance Guide 5th Printing - Page 30

..., and if equipped driveshaft and ball joints Inspect tires for wear and rotate Replace cabin air filter, if equipped Change yellow or green engine coolant, if equipped...Expedition, Navigator, Excursion) Additional services for: Diesel Check air filter minder, replace filter as required Replace fuel filter 140,000 miles Cars, Minivans, Light Trucks, Sport Utilities, Vans, 4x4, Natural Gas, Propane,...
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.... If you only occasionally operate your Ford/Lincoln/Mercury primarily in heavy commercial use such as delivery, taxi, patrol car or livery Every 3,000 miles or 3 months Change engine oil and replace oil filter Lube front lower control arm ball joints with zerk fittings, if equipped Every 5,000 miles Inspect brake system...
Owner Guide 4th Printing - Page 174

... protect your vehicle's main electrical systems from overloads. Always replace the cover to the Power Distribution Box before servicing high current fuses. Always disconnect the battery before reconnecting the battery or refilling fluid reservoirs. The highĆcurrent fuses are coded as follows. 174 Roadside emergencies Power distribution box The power distribution box is...
Owner Guide 4th Printing - Page 219

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