Hi i have a opel astra 1.6i i dont have problems with the idling it starts easy in the morning, will im driving i have to accelerate otherwise it has a jerk while driving on the free if i keep it at 120 kmp it jerks slightly all the time if i accelerate its ok then can anyone help me with this?

40

Asked by Feb 18, 2015 at 02:51 AM

Question type: Maintenance & Repair

i need some advice

8 Answers

39,195

What year is the car?

1 of 1 people found this helpful.
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Its a 1996

39,195

Sounds like a misfire issue. Try changing the plugs and wires, cap and rotor if it has one. If no change, try a new throttle position sensor. One of the symptoms of a bad TPS is hesitation and jerking.

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Thank you i will look at that and get back to you.

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Hi Reeling68 i have replaced the the throttke body sensor, cleaned the idle control valve and air sensor, i have replaced the coil pack new plug leads new spark plugs new petrol filter and air filter i still have the same problem do you have any other sugestions for me?

3 of 3 people found this helpful.
39,195

Before you spend any more money on parts, is your check engine light on, and if so, have you had any of the codes read?

1 of 1 people found this helpful.
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When i start it the check light goes off immediately.

1 of 1 people found this helpful.
39,195

I've researched other forums with the "jerking" issue. One person cured it with a new EGR valve, while another cured it with a new ignition module. It's odd that the check engine light goes out. I believe if it only flashes for a moment, there should be a code stored in the computer.

2 of 2 people found this helpful.

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