Fiat 1.6 2001 primary.

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hbr
TwoWaves
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Fiat 1.6 2001 primary.

Post by hbr »

Hello i got a problem with a Fiat bravo 1.6. This car won't run good, the map reading is 500 mbar and i can't find any leaks in the intake system with a smoke machine. Also the primary signal i captured is strange, can somebody tell me what is causing this.
Ontsteking Fiat.JPG
Also attached the psdata.
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Fiat primary.psdata
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Robski
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Location: Yorkshire

Re: Fiat 1.6 2001 primary.

Post by Robski »

Have you checked the timing ? ( verify MAP with a vac gauge )

The primary looks like a misfire.
Last edited by Robski on Tue Apr 24, 2012 9:01 pm, edited 1 time in total.

GRUSS
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Re: Fiat 1.6 2001 primary.

Post by GRUSS »

Do you have access to fuel trim data? If so, what are you getting for STFT and LTFT @ idle then at 3000 rpm?

Kev
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Re: Fiat 1.6 2001 primary.

Post by Kev »

Ontsteking Fiat.JPG
Also attached the psdata.
Hi hbr, first I would check the valve timing (costs nothing), then I would be looking for another set of HT leads. If the waveform persists then I would replace the ignition coil in that order. Could you add a bit more information as to the characteristics of the fault as far as running goes!
Kev
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hbr wrote:Hello i got a problem with a Fiat bravo 1.6. This car won't run good, the map reading is 500 mbar and i can't find any leaks in the intake system with a smoke machine. Also the primary signal i captured is strange, can somebody tell me what is causing this.
Ontsteking Fiat.JPG
Also attached the psdata.
Hi hbr, first I would check the valve timing (costs nothing), then I would be looking for another set of HT leads. If the waveform persists then I would replace the ignition coil in that order. Could you add a bit more information as to the characteristics of the fault as far as running goes!
Kev