micky.allan
Member
Registered: 7th May 06
Location: boston/lincs
User status: Offline
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got a 99 astra 16v and it seems very underpowered between 2000 and 4000 rpm. like it has a massive flat spot. also has a small judder around 2500. not a misfire just a hicup. any ideas on what to check out first...
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Steve X16XE
Member
Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
User status: Offline
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When was it last serviced?
They have problems with the AFM that when gunked up, power is lost.
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micky.allan
Member
Registered: 7th May 06
Location: boston/lincs
User status: Offline
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i realy dont have a clue when it was serviced last.iv only just got the car. i have changed the sensor in the air pipe. that made no differance..
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Steve X16XE
Member
Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
User status: Offline
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Then the usual items to be changed then.
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micky.allan
Member
Registered: 7th May 06
Location: boston/lincs
User status: Offline
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usual things??? been out for a drive tonight and the car seems a lot worse. im thinking maybe plug leads as its damp and foggy??
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micky.allan
Member
Registered: 7th May 06
Location: boston/lincs
User status: Offline
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another thingiv noticed is that the car is fine untill its warm.. could this pointto cts???
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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fine untill its warm? could be the headhasket
is it misfireing
also could be the temp sensor
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Steve X16XE
Member
Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
User status: Offline
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Usual items such as,
Plugs
Oil and oil filter
Air filter.
My dad had a T reg Astra 1.6 16v Sport. That was down on power. Then it came to service time and it was all ok.
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Bgymn0613
Member
Registered: 5th Feb 08
Location: Leeds
User status: Offline
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got a similar problem on corsa, had to change EGR valve and temperature coolant switch, was a lot better but still not right
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micky.allan
Member
Registered: 7th May 06
Location: boston/lincs
User status: Offline
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will get service done this weekend then.. as for a missfire. i would say no.. ithas a bit of a hicup
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