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sstahl 4/15/2010

2004 Chevrolet Aveo Base 4 Cyl 1.6L

Transmissions & Drivetrains

My car surges in gear

Whenever I put my car into gear, it ides up and will go on its own, even fast enough to shift into second gear. I have been having to put it into neutral to apply the brakes because it does not want to stop.

1 Answer

Nissan Technical Advisor

The engine may be overheating.
The Fix: Check and repair cooling system.

The fuel pressure regulator may be operating at too low a pressure.
The Fix: Check fuel pressure with a fuel pressure gauge. Replace fuel pressure regulator. (Generally not a DIY job)

The ignition timing may be set wrong.
The Fix: Adjust ignition timing.

There may be some type of ignition problem.
The Fix: Check and replace distributor cap, rotor, ignition wires and spark plugs.

There may be a fault in the computerized engine control system.
The Fix: Check engine control systems with a scan tool. Test circuits and repair or replace components as required. (Generally not a DIY job)

There may be a vacuum leak.
The Fix: Check and replace vacuum lines as required.

You have a bad idle speed control unit.
The Fix: Replace idle speed control unit.

The alternator may not be working properly.
The Fix: Replace alternator.


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