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Mars

Engine Management Light On

10 posts in this topic

So due to go to the airport in the morning and my car is displaying the warning light on the dash and there is a little hesitation and sounds as if it may be misfiring. This happened today but as well about a week ago so rang Lexus and they said it will cost £180 to diagnose the fault. I got a local garage to check it last week to see if there was any faults showing but there was none and has been driving fine until today. 

 

Any ideas?

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Hi if the light is showing there will be a code stored . The cheapest answer is to buy a cheap reader off E bay  and plug that in .The Lexus price is crazy for diagnosis ,try another independent garage ,do not reset the code or disconnect the battery ;post the code up here and you will getyour answer .Don,t leave it too long if the car is misfiring as unburnt fuel will damage the cat

Dave

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Hi Dave

Well I am abroad so unable to do anything until I return in 3 weeks time. Any recommendations on a good/cheap reader I can purchase on EBay?

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Simple OBD II scanner, I've got the red unit, was around £12 when I bought it 

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On 18/03/2017 at 0:52 PM, Mars said:

Hi Dave

Well I am abroad so unable to do anything until I return in 3 weeks time. Any recommendations on a good/cheap reader I can purchase on EBay?

I got this one on Ebay a while ago and it's been excellent.

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Thanks guys I will definitely buy an OBDII scanner and check it when I return. I have been researching and it appears it can be anything from a defective coil or even my battery (it is 10yrs+ old).

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Coil packs are quite a common issue from what i've seen, have you had your battery tested on a voltmeter at all?
If in doubt Varta E44 battery is a very very good battery if you decide to buy a new one!

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No I have not had the battery tested but I know I have had good use considering. I have never had a battery last that long. 

I did in anticipation buy a battery in January but did not fit it as the old battery appeared to be doing its job. My existing battery and the new one are both Toyota 65Ah batteries and it was on offer in January. 

I will let you know how I get on.

 

 

 

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On 3/19/2017 at 11:26 PM, Mars said:

No I have not had the battery tested but I know I have had good use considering. I have never had a battery last that long. 

I did in anticipation buy a battery in January but did not fit it as the old battery appeared to be doing its job. My existing battery and the new one are both Toyota 65Ah batteries and it was on offer in January. 

I will let you know how I get on.

Charge the new battery before fitting. If you do not fit it charge it anyway as lead acid batteries do not like standing in a semi charged state, and loose charge just standing.

John.

 

 

 

 

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Ha, John I have done that already but when I return I will make sure it is fully charged. 

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