Engine vibration

[abdkhan2]

I have a swaped corolla 2005 with 1nzfe auto transmission, it was fine before i take it to throttle body cleaning.

Problem:
Engine vibrate very much in D and R.
Sometime it stalls.
It is more in cng than petrol.

Things done:
Sperk plug change.
New coils.
Throttle is clean.
Tappet are checked.

Local Mechanic Recommendations:
Change assembly(but how it arise after certain thing done as before it was fine).

Oil:
Zic a+ 5w_20

[capsat]

which city - we can help you with Karachi Lahore & Hyderabad for trusted places

[abdkhan2]

Nowshera, kpk

[capsat]

TB is not something which need removal & cleaning. without removing it can always be cleaned by carb cleaner spray . closely inspect of the connectors are intact and there is no fracture on the grip.

[abdkhan2]

By the way rpm remains at 1rpm,And if i turn steering wheel with brake and in reverse the engine do not have power to continue operation smoothly
..
Will chk brake vacum pipes tomorrow n a vacum on tappet cover

[mesumjanjua]

1. Use Havoline 20w50 SG grade. The oil you are using is the main culprit for ruining it.
2. 1NZ knocking noise. It is also typical of the 1ZZ motor. If any, your timing chain has been strained. That is common with engines running more than 100,000 – 150,000 miles (150,000 – 200,000 km) of mileage. In order to handle the problem, you must get a new timing chain. One also should inspect the timing chain tensioner.
3. Rugh idling. If any, the problem can be solved by cleaning a throttle body unit and idle control valve.
4. Engine whistle. It is induced by a worn-out 1NZ alternator belt. You should check it.
5. The 1NZ’s vibration. You should check engine mounts, especially the anterior one. If everything is alright, clean injectors and replace the fuel filter. That will help to eliminate vibrations.
   Apart from the above-mentioned things, the oil pressure switch is frequently disarranged, and the rear crankshaft oil seal leaks time after time. The cylinder block can’t be repaired. So, after running 150,000 miles (200,000 km), you will probably have to purchase a new 1NZFE engine.
   Protecting yourself from all these troubles is easy as a piece of cake. You should use a high quality engine oil suggested by a manufacturer and do a regular maintenance of your 1NZ.

[capsat]

@mesumjanjua i don see the poster sharing any odometer reading. sorry that you tried to help but failed in doing it

Plagiarism is moral crime you have copied the text from HERE

[danijadoon]

First thing i will be checking MAP and MAF sensors, make sure terminals are intact and if necessary clean the sensor with carby cleaner, check the spark plugs gap as well, use factory recommended engine oil, (5w30 fully synthetic my recommendation)

[autophile]

If you happen to come to Pindi, show it to Burraq Autos, Glass Factory Road 03030287727

[pwuser164562031688]

Kindly suggest a good mechanic in Hyderabad

[Hassan1991]

Read the post date before replying.

[Hassan1991]