Showing posts with label Toyota Mark2. Show all posts
Showing posts with label Toyota Mark2. Show all posts

5/29/2012

Toyota Mark2 GX100 E/G Hesitate

1998 Toyota Mark2 GX100 Engine Model 1G-FE VVT

Situation
Engine hesitated on acceleration and idled erratically.

Cause
Faulty OCV

Maintenance
Diagnosis noticed P1349 that meant VVT system.
This car did not change E/G oil oftenly.
There were excessive carbon built-up in the OCV.
Then I changed OCV and VVT assembly.

5/14/2012

Toyota Mark2 GX110 Check Lamp Lit

20001 Toyota Mark2 GX110 Engine Model 1G

Situation
Engine check lamp illuminated.
The engine was hunting a liittle at an idle.

Cause
Faulty throttle position sensor.

Maintenance
Diagnosis noticed that cord P0120 which meant throttle sensor systems.
I used a service manual and confirmed by data monitor.
Then I checked throttle sensor of accelration angle and idling switch.
The throttle sensor was 0% (Faulty)
The idling switch was off (faulty)
After that I took off the throttle position sensor and checked it.
It was disconnecting at ON.(Faulty)
Then I judged that it had been faulty and exchanged new throttle position sensor.

3/31/2012

Toyota Mark2 GX100 ABS Lump Lit

1999 Toyota Mark2 GX100 ABS Warning Lamp Lit

Situation
ABS warning lamp was lit.

Cause
Defect ABS computer

Maintenance
Checked diagnosis system, but it didn't clear.
then checked ABS computer, There was water from the air conditioner into the computer.

I exchaged  a used computer , it got well.