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falha de compressao num suziki 1.3 diesel
falha de compressao num suziki 1.3 diesel
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Steve Smith
- Pico Staff Member
- Posts: 1594
- Joined: Sun Aug 25, 2013 7:22 am
Re: falha de compressao num suziki 1.3 diesel
Hello Antonio and thank you for post
I have translated using Google Translate so please forgive any misinterpretation of my Portuguese
custa dar o arranque , so quando pega ,passado um bocado pega mais rapido.canal 1 e o teste de compressao relativa .canal2 e o injector n1. canai 3 e pressao interna do cilindro n3
It's hard to start, only when it starts, after a while it starts faster. channel 1 and the relative compression test. channel 2 and injector n1. channel 3 and internal pressure of cylinder n3
Testing compression for Diesel engines exhibiting “Hard Start” is perfect
I would however remove the transducer at this stage and carry out just a relative compression test as per your final image above
We may have a scenario in your captures where the installation of the pressure transducer is potentially increasing cylinder volume and so lowering compression (A measurement error)
Could you take a look at the following forum post topic16131.html which will help
If Cylinder 3 still indicates a low compression with the pressure transducer removed, we can then measure intrusively
Where are you located in Portugal?
Take care……Steve
I have translated using Google Translate so please forgive any misinterpretation of my Portuguese
custa dar o arranque , so quando pega ,passado um bocado pega mais rapido.canal 1 e o teste de compressao relativa .canal2 e o injector n1. canai 3 e pressao interna do cilindro n3
It's hard to start, only when it starts, after a while it starts faster. channel 1 and the relative compression test. channel 2 and injector n1. channel 3 and internal pressure of cylinder n3
Testing compression for Diesel engines exhibiting “Hard Start” is perfect
I would however remove the transducer at this stage and carry out just a relative compression test as per your final image above
We may have a scenario in your captures where the installation of the pressure transducer is potentially increasing cylinder volume and so lowering compression (A measurement error)
Could you take a look at the following forum post topic16131.html which will help
If Cylinder 3 still indicates a low compression with the pressure transducer removed, we can then measure intrusively
Where are you located in Portugal?
Take care……Steve
Re: falha de compressao num suziki 1.3 diesel
OLA STEVE EU VIVO N A ILHA DA MADEIRA ,RELACAO AO SUZUKI E O SEGUITE LEVA MAIS TEMPO A PEGAR QUANDO SE DAR A CHAVE EM RELACOA AO NORMAL ,ESSA MESMA VIATURA O HISTURIAL DELA E QUE O MOTOR DELE LEVOU UM AQUECIMENTO FICOU SEM AGUA E DESLIGOU SE O CLIENTE METEU UM MOTOR USADO MAS APARTIDAI CUSTA A PEGAR A PRIMEIRA VEZ.NAO E BATERIA NEM VELAS NEM PRESSAO DE GASOLEO NEM BICOS DE INJECTORES NEM SENSORES DE CAMBOTA E ARVORE CAMES E O PONTO MECANICO. JA FIZ UM TESTE DE COMPRESSAO E HA UM CILINDRO COM 75% DECOMPRESSAO E OS RESTANTE COM 100% PARA ONDE ESTA PERDER A COMPRESSAO O CILINDRO COM 75% SERA O MOTIVO DE ELE CUSTAR A PEGAR DO QUE NORMAL DESTES CARROS
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- Opel_Corsa C_2006_Diesel_20231111-0003.psdata
- UMA VIATURA BOA
- (4.61 MiB) Downloaded 123 times
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- Suzuki_Ignis_2007_Diesel_20231030-0001.psdata
- (794.77 KiB) Downloaded 108 times
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- Suzuki_Ignis_2007_Diesel_20231031-0002.psdata
- (589.79 KiB) Downloaded 119 times
Re: falha de compressao num suziki 1.3 diesel
E ESTA FORMA DE ONDA CORRETA DE TESTE COMPRESSAO DESTES MOTORES
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- Opel_Corsa C_2006_Diesel_20231111-0001.psdata
- (669.33 KiB) Downloaded 116 times
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Steve Smith
- Pico Staff Member
- Posts: 1594
- Joined: Sun Aug 25, 2013 7:22 am
Re: falha de compressao num suziki 1.3 diesel
Hello and thank you for the posts
Forgive any misinterpretation here in my reply
Looking at your relative compression waveforms, we clearly have concerns around compression and /or opposition to engine rotation during cranking
How does the engine turn over by hand, is it smooth or can you feel any tight spots?
Below we have what appears to be one good compression and 3 considerably lower
Looking at your next capture, we have a missing cylinder but notice how the effort on the starter motor increases across each cylinder before dropping rapidly for the missing cylinder
Your compression peaks should be even and equal as per the Opel_Corsa C_2006_Diesel_20231111-0001 capture
Based on the above, we now need to identify the offending cylinder as Ben has described here https://youtu.be/EsJBOFzETjQ?si=6Rgoyd1TW_ElsqWF and then apply the pressure transducer
I hope this helps, tale care……Steve
Forgive any misinterpretation here in my reply
Looking at your relative compression waveforms, we clearly have concerns around compression and /or opposition to engine rotation during cranking
How does the engine turn over by hand, is it smooth or can you feel any tight spots?
Below we have what appears to be one good compression and 3 considerably lower
- 5A
- 5b
Based on the above, we now need to identify the offending cylinder as Ben has described here https://youtu.be/EsJBOFzETjQ?si=6Rgoyd1TW_ElsqWF and then apply the pressure transducer
I hope this helps, tale care……Steve