Engine management light flashing

John_boy17 · 30-10-2017

Recently changed the cylinder head on my seicento to a skimmed punto head and when it reaches 80mph the engine management light flashes, does anyone know why this happens?

lowered punto · 30-10-2017

@mrcento may be able to help you with this issue

lowered punto · 30-10-2017

Also a quick look brought up trying a phonic wheel learn which can be achieved by red lining the car 3 times and also it can be problems with emmisions on the lambda but that was just a quick scan haha

John_boy17 · 31-10-2017

Ok will try that on the way home from work tonight

John_boy17 · 02-11-2017

Done the wheel learn the other night and it flashes at 90 now

lowered punto · 03-11-2017

Omg hahaha that's brilliant just keep doing it till your off the Speedo then you will be laughing

John_boy17 · 30-11-2017

I’m now back to 80, going to code read it at work and see what the problem could be

lowered punto · 01-12-2017

This is so odd possibly a proxy alignment would work but not sure if older fiats had that capability

John_boy17 · 03-12-2017

It’s multiple cylinder misfires, cleared it and runs better but going to check again tomorrow

lowered punto · 05-12-2017

Ok when was the last time you changed the spark plugs leads or coil pack as any of these can cause a misfire

John_boy17 · 07-12-2017

Put super 4’s in when changed the head and got a new coil just waiting on leads coming

lowered punto · 08-12-2017

Is that the Bosch 4 spark plugs if so they made my Grande drive funky dunno if same issue but it didn't like them at all put the normal Bosch top end plugs in and ran perfect has it being doing it since you put those in or before for the price of plugs it may be worth swapping them out?

John_boy17 · 12-12-2017

It had super 4’s in when I got the car and I wouldn’t recommend anybody putting the punto head on a seicento cause mine boiled up yesterday morning and still doesn’t run right

lowered punto · 16-12-2017

Oh that's not good faulty water pump or thermostat?

John_boy17 · 17-12-2017

Thermostat jammed shut for a few seconds and released it self when it cooled down

30-10-2017	#2
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing @mrcento may be able to help you with this issue __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
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30-10-2017	#3
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing Also a quick look brought up trying a phonic wheel learn which can be achieved by red lining the car 3 times and also it can be problems with emmisions on the lambda but that was just a quick scan haha __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
	Quote

03-11-2017	#6
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing Omg hahaha that's brilliant just keep doing it till your off the Speedo then you will be laughing __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
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01-12-2017	#8
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing This is so odd possibly a proxy alignment would work but not sure if older fiats had that capability __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
	Quote

05-12-2017	#10
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing Ok when was the last time you changed the spark plugs leads or coil pack as any of these can cause a misfire __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
	Quote

08-12-2017	#12
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing Is that the Bosch 4 spark plugs if so they made my Grande drive funky dunno if same issue but it didn't like them at all put the normal Bosch top end plugs in and ran perfect has it being doing it since you put those in or before for the price of plugs it may be worth swapping them out? __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
	Quote

16-12-2017	#14
lowered punto Get Your Own Title Join Date: Oct 2015 Location: Perth Scotland Posts: 79 Thanks: 0 Trader Rating: 0	Re: Engine management light flashing Oh that's not good faulty water pump or thermostat? __________________ Scottish fiat forum http://www.fiatscotland.com Own a bagged New Orleans blue Fiat Grande Punto called Dory.
	Quote

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