CAR JERKING WHILE DRIVE,LIKE NO POWER I

2000 Renault Megane

Tiny

sibtain

November, 23, 2009 AT 5:30 AM

Engine Performance problem
2000 Renault Megane 6 cyl Front Wheel Drive Manual 73000 miles

car jerk while driving sometime it drive very smooth like nothing wrong. My mechanic changed coil pack, and few senores but car does same thing.
please help me if you can
thanks

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4 Answers

Tiny

Dave H

November, 24, 2009 AT 4:07 AM

Start by adding a good fuel injector cleaner to the fuel tank to clean out the fuel system. Have the vehicle plugged into a diagnostic computer and please supply any fault codes !

Tiny

sibtain

December, 4, 2009 AT 3:55 AM

My mechanic cheangs 4 coil pack and map sensor he put on the computer and nothing come up on system now he is saying change crankshaft sensor please help me I do not know what I do I spent so much money but no luck.
Please let me know what you think what shell I do

many thanks

Tiny

geo321uk

February, 4, 2010 AT 9:16 PM

Hi, Check your engine breathers may be blocked with old thick oil, blow out change your oil with correct oil, and change oil filter.
Ps. Before you do this remove oil filler cap and drive your car a short distance hopefully not two much mess if no problem its may be the eng/breathers, you have to use the correct oil (25/50) etc check with your supplier.

Tiny

Dave H

February, 7, 2010 AT 4:12 AM

I would replace the CKP (crankshaft position) sensor and the spark plug wires !

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