Vauxhall Astra loss of power above 80mph EML on

2003 Vauxhall Astra Problem

Ref#21141
CarVauxhall Astra 1.4
Year2003
Ownerrichard7467
Posted06/10/2018
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Hi all new here I have an old Vauxhall Vectra 92000 1.4 03 REG.
EML is on runs fine until I get to 80 mph will not go any faster.
Only just got it so I wanted to see how it reacted.
Any ideas?
Problem Category
Running Rough, Starting & Power Loss


Solution 1
1/4drive | Auto Insider | Since: Jun 2011 | Posts: 25 | Fixes: 1830 | View Garage
Suggested Solution

If the EML is on then there's a fault logged/stored.
you need it scanned.


Posted on Saturday 6th of October 2018
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Solution 2
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11795 | View Garage
Suggested Solution

It's a safety device to stop the engine blowing up . Only joking , the possibilities on a car of that age / mileage are endless . As suggested by another poster , get it scanned rather than guess


Posted on Saturday 6th of October 2018
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From Original Poster
richard7467 | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 0 | View Garage
Suggested Solution

ok thanks for the response. Scanned it came up O2 Sensor heater Circuit Bank 1 Sensor 2.
Ive erased the code just have a service light up.
Hoping this is an easy fix hoping its not the Cat havent yet had the opportunity to see if its cured well not cured but see if it will allow the car to accelerate above 80mph.


Posted on Saturday 6th of October 2018
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Solution 3
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11795 | View Garage
Suggested Solution

A partially blocked cat / exhaust is a possibility if replacing o2 sensor doesn't cure it .


Posted on Saturday 6th of October 2018
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From Original Poster
richard7467 | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 0 | View Garage
Suggested Solution

ok wont rev above 4000rpm checked the air filter alls fine with that?? I really have no idea after that how can I check for an exhaust blockage?


Posted on Sunday 7th of October 2018
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From Original Poster
richard7467 | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 0 | View Garage
Suggested Solution

theres quiet a bit of oil around the carb though


Posted on Sunday 7th of October 2018
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Solution 4
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11795 | View Garage
Suggested Solution

You dont have a carb , it''s a throttle body .Check engine is breathing o.k through hose / PCV valve .If not will build up back pressure a possible cause oft the oil you are seeing .


Posted on Sunday 7th of October 2018
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From Original Poster
richard7467 | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 0 | View Garage
Suggested Solution

lol ok shows i dont have a clue.
Anyway i can check the hose pcv valve and where is this?


Posted on Monday 8th of October 2018
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Solution 5
Cmg | Driver | Since: Oct 2018 | Posts: 0 | Fixes: 3 | View Garage
Suggested Solution

Has it a cambelt? If so check cam timing and cam sensor. If timing out or sensor failed vauxhalls will not rev past 4000 rpm stationary. Try disconnect cam sensor and rev up


Posted on Saturday 13th of October 2018
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