My toyota nadia with a d4 engine is having some jeks on low speed especially when it starts moving and when you are slowing down,it's maximum speed is 80km/hr flat footed. what can be the problem?

For the Toyota Nadia with the 3S-FSE-D4 engine, you can find the fan belt and A/C belt using the following specifications:

1. Fan Belt:
- The fan belt for the 3S-FSE-D4 engine should have the following specifications, which you can use to find a replacement:
- Part Number: 90916-02400
- Dimensions: 6PK1955 (6 ribs, 1955mm length)

2. A/C Belt:
- The A/C belt for the 3S-FSE-D4 engine should have the following specifications:
- Part Number: 99364-20840
- Dimensions: 5PK1060 (5 ribs, 1060mm length)

When replacing the belts, it's important to ensure that they are installed with the correct tension to prevent any high pitched noises or premature wear. If the belts are making a high pitched noise, it could indicate either wear or improper tension. It's recommended to inspect the belt tensioner and pulleys for any signs of wear or damage while replacing the belts.

Additionally, it's a good practice to check for any misalignment of the pulleys as this could also cause excessive noise and premature wear on the belts. Once the new belts are installed, check the tension according to the manufacturer's specifications to ensure proper operation and minimize noise. If the noise persists after belt replacement, further inspection of the A/C compressor and other related components may be necessary.

If your 3sfse is starting and failing to run yes its either the fuel pressure sensor located on common rail on your left side facing the engine slightly behind the inlet manifold written D4

I take help from online websites that have this service like helping in repair some like reliable-store have instant help.. others are a bit slow which I don't prefer... rest is up to u.. U can also get free manuals

You need to get your car to a transmission repairer quickly before you do more damage. Anything like this requires urgent attention and is outside the scope of a home repair unless you have a lot of experience.

have the fault codes read and replace the nominated problem sensor

run the fault codes and look for faulty sensors or ignition module.

The D4 pump has a seal and it cooled by the fan which it faces so if your car is not putting fans in the seal collapses and starts to drop large quantities of petrol into oil you can check every morning your oil level to notice the defect

hi

i have a toyota nadia 1999 model, there are times when the engine shakes and just cuts off.I have changed the battery and i am failing to understand the cause