2001 Ford Focus - Page 6 - Answered Questions & Fixed issues

both codes refer to O2 sensors. PO141 and PO136. 136 is sensor bank 1 sensor 2. 141 is bank 1 sensor 1. so this info will work on both sensors. This code means that the heated circuit in the oxygen sensor on bank 1 decreases time needed to enter closed loop. As the O2 heater reaches operating temperature, the oxygen sensor responds by switching according to oxygen content of the exhaust surrounding it. The ECM tracks how long it takes for the oxygen sensor to begin switching. It the ECM determines (based on coolant temp) that too much time elapsed before the oxygen sensor began operating properly, it will set P0141. See also: P0135 (Bank 1, Sensor 1). Symptoms You will likely notice poor fuel economy the illumination of the Check Engine Light. Causes A code P0141 may mean that one or more of the following has happened:

• open or short to ground in the wiring harness
• O2 heater circuit wiring high resistance
• O2 heater element resistance is high
• Internal short or open in the heater element

Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed converter. Possible Solutions

• Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
• Repair short or open or high resistance in wiring harness or harness connectors

Take battery to Autozone,they will test it for free,only takes a few minutes.Alternator may be bad.

You don't want to rebuild the pump. Get one for around $45. Yeah you may have saved $20 by getting the seal kit. But if the fiberglass vanes inside are worn, you just wasted your money. It will do the same thing, whine or hard steering.

At least you looked Terry. Good for you. Yes you have to remove many things. But they are easy. Do it your self and save yourself $100 plus in labor costs. I do everything to cars. The first thing I do is look at the job at hand. Then just do it.

Did it overheat? Did you add coolant into the radiator?

Helm.Com --factory manuals

Possible fuel pump failure. Gasoline is used to cool and lubricate the in tank fuel pump. Running a vehicle out of fuel is not good for the pump. Try banging on the tank with your fist while someone cranks the vehicle over. If the vehicle starts or tries to start, suspect a fuel pump problem

Vacuum lines. And check for residue buildup preventing throttle body from closing .

this is a time consuming process need to remove the covers on the driver side of the engine to get to any pulley and in some cases also the engine mount if so u need to support the engine from the bottom with a engine jack and then first remove the mounting to get to the covers bolts also keep in mind that when loosening that pulley the timing belt will also come loose so before loosening an pulley u need to get tdc first and mark your cam and crank gear if theres no marks to be able to get the correct timing set again or you will hurt something in the engine

Often it's becauce a pully is sticking. You need to have the belt's path inspected to make sure everything is rotating as it should.

You have air in the coolant system. An uncovered sensor (air pocket around the sensor) will read cold, telling the computer to idle the engine at a higher speed. Bleed the air out and idle should return to normal. Possible your sensor is bad or wiring from it to ECM is defective, i.e. broken or shorted wire. Try bleeding the air out first, then check the wiring and/or replace the sensor if the idle does not return to normal.

most cars have a bolt towards the bottom of the oil tube, remove this bolt and the tube just presses in, so pull it up. God-Bless!

The brake master cylinder, is under hood just above the steering column. on drivers side! God-Bless and have a good day!

Open doors from inside and remove inner panel so you can access inside door. A rode or something broke probably the plastic clip

try looking at the fan relay the other is try running your ac that should trigger the fan to come on ,the fan should not come on till it warms up a little ,there is also a coolant temp sensor .that could affect it

Does it have any codes in the OBD II. Please get a scan done which will give you clues. Many reason for that to happen : - Dirty Throttle body - Malfunction in Idle Air Control. - Dirty fuel injectors Best would be to read codes and let me know. I’m happy to assist further over the phone at https://www.6ya.com/expert/uttamjeet_2f3adc18600f8ede

you take it to a dealer kim,for the third time!!

NO!! AND I ALREADY ANSWERED THIS!!! NEVER LOSE YOUR KEYS!!! IT IS A VERY EXPENSIVE MISTAKE,THE KEY AND KEY FOB ARE NEEDED TO START THAT CAR,THEY ARE ALL CODED DIFFERENT

nope!! you are sol,never lose your keys,now you need to have a dealer code your key and key fob,if you dont have a fob,buy one on ebay,buy 2 and get them both coded and store 1 away.

Some cars show fuse locations on the inside of the cover.