Vitz First Generation Problems/Solutions

asgharpwr (Car01) 2019-01-16 19:18:50 +0500 #1

The purpose of this post is to share and discuss issues and problems found in Vitz 1st generation, solutions found. Any modifications. Engine swap from 1.0 to 1.3 and anything specifically related to vitz first generation (1999-2005).

asgharpwr (Car01) 2019-01-16 19:24:06 +0500 #2

Problem: Acceleration Problem

Causes:
Check for
1. Air Filter
2. Vacuum Leak
3. Spark Plugs
4. Throttle body cleaning
5. O2 sensor cleaning
6. Cat cleaning
7. Oil sensor cleaning
8. Fuel pump
9. Transmission oil
10. IACV Valve
11. MAF sensor

asgharpwr (Car01) 2019-01-16 19:25:29 +0500 #3

Problem: Whistling from engine bay which go away by pressing accelerator

Cause:
Idle air control valve (IACV Valve) is jammed

asgharpwr (Car01) 2019-01-16 19:27:40 +0500 #4

Problem: Engine Turn Off when press a brake during driving

Causes:
1. Idle air control valve (IACV Valve) jammed
2. MAF sensor
3. Brake booster vacuum lines
4. Check ignition timing
5. Fuel pump wiring issue; blow the EFI fuse
6. Perform compression test and check engine health it will not take load on slow speed

mmomin (mmomin) 2020-06-25 11:46:22 +0500 #5

Need Help, I have Vitz 2002, my speedo meter cluster not working, what would be the problem?