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Fails To Start When Warm.

failure to start when warm

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#1 Richyb

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Posted 08 July 2013 - 10:29 AM

Hi all,

 

I am knew to this forum, but I am a MX5 lover and hope you can help me!

 

My name is Rich and I am pleased to be apart of this forum :D

 

My mk1 1994 1.8 eunos has been a dream for the time i've had it but recently has started to see the worse for wear.

 

 

I have a couple of problems, the main one is starting the car when warm.

I can manage to start it if i thottle it into life, but sometimes that doesnt even work(depending how hot it is), It also has cut out on me while driving and failed to start until cooled.

 

my radiator fan also never spins.(recently replaced the whole unit and still fails to spin)

 

my car also drops power for a second every 10 minutes or so. i assume it is miss firing.

 

car is running rich too. I changed the O2 sensor to try and solve this but still runs rich.

 

I'm not sure what is causing these problems and if they are all linked somehow.

 

 

I hope you can help me out,

 

Thanks all,

 

Rich.

 

 

 

 

 

 


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#2 niggle

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Posted 08 July 2013 - 10:42 AM

Check the ECU for fault codes. Engine coolant temperature sensor could be playing up. Radiator fan is ECU controlled on the 1.8 but does rely on a working temperature sensor. Would also explain rich running on a hot engine.


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'93 Eunos Roadster 1.6 (NA6CE) in Silver Stone.
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#3 Richyb

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Posted 08 July 2013 - 11:16 AM

wow thats awesome thanks for the help.

 

I have a temp sensor around somewhere :).

 

My car is due for a timing belt change so I'll get a new sensor fitted also.

 

much appreciated :D

 

Rich.


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#4 Alex Robinson

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Posted 08 July 2013 - 11:33 AM

Don't forget, any repairs you make, will mean you need to clear the ECU of fault codes (battery terminal off, brake pedal for 10 seconds). Otherwise the ECU will assume it's still broken and not sort itself out.


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#5 Richyb

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Posted 08 July 2013 - 11:37 AM

Ah ha! good to know :D. thanks alot!

 

R


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#6 Richyb

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Posted 17 July 2013 - 10:49 AM

I got the Sensor changed and re-set the ECU and it all runs lovely!! fan is spinning, no longer running rich, living the dream.

 

thanks guys for your help!!! :D:DDDD

 

Rich.


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