2000 Toyota ECHO - Page 4 - Answered Questions & Fixed issues

The upstream Heated Oxygen sensor is said to be in good working condition if its voltage goes from low to high (100 mv - 900 mv) and vice versa in one to three times in a second.

EGR Valve is located between the exhaust manifold and the intake manifold, which diverts about 15% of exhaust gases into the intake manifold to reduce the Oxides of Nitrogen produced during the combustion process.

Keep the ignition switch to ON engine OFF. Hook the scanner, diagnostic computer or Techstream and take the reading. With the throttle pedal fully released it should read the TP sensor value between 9.8% to 18%. It is better to keep the value as close as to 9.8%. To adjust the TP sensor, loosen the two torx screws, and adjust the sensor to the desired value.

It sounds like you have a wiring or connector problem in the steering column. I'm surprised your mechanic did not think to check for that.

Sounds like you have a wire in the steering column that is shorting when you turn left but goes back to close to normal when you turn back to straight. Check the wiring harness coming out of the steering column.

the two are not connected if the CO readings high then its a new cat providing the lambda sensors are working

Check engine light should be on and an OBD scanner would show a code for TPS. What is the issue?

"System too lean". Possibly a fuel pump problem, a fuel pressure regulator problem, or an injector problem.

Your car is 14 years old, and should have had the transmission fluid changed several times by now. When was the last time the fluid was changed and the filter replaced?

Because you failed to have a shop look at the data & make the required repairs & get caught up on preventative maintenance BEFORE you went to inspection If you were in fact at a shop, for any reason,then they have no idea how to test vehicle Have you considered the motor is shot & you have leaking valves?

Have you checked the injectors to see if any are leaking ?

If you're sitting in the drivers seat, it's a under a little removable cover to the front right of the shift indicator.

It is normal for the idle to increase when the air con is switched on. There is a fuse in the engine compartment - I-UP (idle up)

The car will need to be scanned for trouble codes. Whatever codes come up will identify what part of the engine is faulty. These codes are not totally exact in pin pointing the problem. You can take the car to Auto Zone or Advance Auto and ask them to run a scan on the vehicle. Then you'll have the codes, but you'll need to go a garge to have the car fixed.

my belt is squeeling and needs replaced recommended by Meineke auto repair

CLUTCH ADJUSTMENT: (a) Check that the pedal free play and push rod play are correct. (1) Depress the pedal until clutch resistance begins to be felt. Pedal free play: 5.0 to 15.0 mm (0.197 to 0.591 in.) (2) Gently depress the pedal until the resistance begins to increase a little. Push rod play at pedal top: 1.0 to 5.0 mm (0.039 to 0.197 in.) (b) Adjust the pedal free play and push rod play. (1) Loosen the lock nut and turn the push rod until the correct free play and push rod play are obtained. (2) Tighten the lock nut. Torque: 12 N*m (120 kgf*cm, 8.7 ft.*lbf) (3) After adjusting the pedal free play, check the pedal height.

- Keep the knob on RECIR and not FRESH. - Put the air con ON, blower on max speed. - Open the hood, inspect the inspection window glass located on the liquid line. - If foam like bubbles are seen, charge the refrigerant gas, till the glass window is seen clear. Never overcharge the system. - If the problem persists, check the following: Refrigerant volume Refrigerant pressure Heater control base (for Hatchback) Heater control base (for Sedan) Air conditioning pressure sensor Compressor and pulley Expansion valve - Air conditioning amplifier ECM CAN communication The following diagram may help you identify the components.

- Diagnose manually or with diagnostic computer. - Repair. - Delete codes.

Engine bay under the hood.

Redo the job carefully.