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Rough idle & no acceleration.....

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Old Jul 6, 2007 | 08:46 PM
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Unhappy Rough idle & no acceleration.....

Hi there !!

Hope you don't mind me dropping in with a problem that my car has....

Coming back along the A14 today at 70 -75 the car started to shudder and would not accelerate when going up hill. Driving around town it would nearly stall at traffic lights and didn't accelerate away from the traffic lights very quickly. Got home and left the car idling and opened the bonnet - the engine was rocking from side to side, really lumpy tick over and sounded really rough. Oil level appears okay - no error lights on the dashboard - engine temperature is fine - cooling fans cut in.....

Can anyone shed any light on this for me please......



PoorlySick
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Old Jul 6, 2007 | 08:48 PM
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What year?? if MY99/00 probably MAF
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Old Jul 6, 2007 | 08:52 PM
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From: East Anglia, In a barn,where i was born.
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Hi m8 and welcome to the forum, give us a little more info on your year and model including any mods it might have. Will help to get a response dude,
A14, you in the suffolk area then?
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Old Jul 6, 2007 | 09:00 PM
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Default Still poorly sick

Hi there

Sorry its a 2001 Impreza WRX UK model with the prodrive upgrade - engine management and rorsty exhaust

Fed on V power and regularly serviced

Just passed 90,000 miles....


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Old Jul 6, 2007 | 10:28 PM
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From: Enginetuner Plymouth for 4wd RR Mapping Apexi Ecutek Alcatek Proper Garage More than just a laptop!
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Expect a blow up fairly soon...Have seen this a couple of times on cars of around that mileage , no noise from crank etc but a rocking motion from side to side when idling sometimes enough to put the missfire cel code on...The power just seems to die away gradually and if pushed may push a rod through the block...
Sorry to be the bearer of bad news...
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Old Jul 6, 2007 | 10:51 PM
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Or...

a hose has come off the intercooler maybe?
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Old Jul 7, 2007 | 01:50 AM
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have to agree with blue simon suggestion
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Old Jul 7, 2007 | 02:43 PM
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Unhappy Back from garage

Hi again

Phoned up my local dealer - thanks to Welch's - who took a look this morning

Air flow sensor changed - no change

Spark plug coil packs changed - no change

They suspect it to be a fuel problem either with the injectors or a contamination and will be taking a deeper look on Monday......

Currently driving a loan Forrester around Suffolk

Poorlysick
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Old Jul 7, 2007 | 04:21 PM
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I had a similar issue with MY03 Sti engine rocking etc.. turned out to be blocked fuel pipe.
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Old Jul 11, 2007 | 03:39 PM
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Unhappy



Just heard back from the garage who say the engine needs to come out as the valves are faulty and need replacing. The heads need skimming and leak testing plus what ever else they find. Around 17 hours of labour plus parts - oh and a 90,000 mile service as well plus a new cambelt

With 90,000 on the clock I'm undecided what to do.......

PoorlySick
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Old Jul 11, 2007 | 03:46 PM
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I'd get a second opinion before you shell out any cash
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