Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Pd ijector

tzviyehuda
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7 years 8 months ago #22930 by tzviyehuda

Pd ijector was created by tzviyehuda

I would be happy to help with this pd injector one of which looks improper? High rpm

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Landroverman1958
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7 years 8 months ago #22932 by Landroverman1958

Replied by Landroverman1958 on topic Pd ijector

what is your concern with the injector/wave pattern?

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tzviyehuda
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7 years 8 months ago #22938 by tzviyehuda

Replied by tzviyehuda on topic Pd ijector

One of which is malfunctioning and causing a little misfire at a certain rpm.

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Landroverman1958
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7 years 8 months ago #22939 by Landroverman1958

Replied by Landroverman1958 on topic Pd ijector

The one waveform looks somewhat normal,what vehicle/engine is it from?usually the wiring loom is the problem,wiring goes hard n brittle inside the head,the fix is to replace the in side injector harness,

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tzviyehuda
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7 years 8 months ago #22958 by tzviyehuda

Replied by tzviyehuda on topic Pd ijector

Dpender td5. The wires were replaced.

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Landroverman1958
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7 years 8 months ago #22967 by Landroverman1958

Replied by Landroverman1958 on topic Pd ijector

please find injector pattern off Td5 90

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Landroverman1958
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7 years 8 months ago #22987 by Landroverman1958

Replied by Landroverman1958 on topic Pd ijector

Sorry the image didn’t up load,are you capturing the wave form from the engine ecu in the seatbox?when does the misfire occur what rpm?can u road test to record the injectors in longer time base in parade pattern?

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tzviyehuda
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7 years 8 months ago #22994 by tzviyehuda

Replied by tzviyehuda on topic Pd ijector

Yes I took it in ECU. It happens around 2500 RPM I hope that today I will do more tests and bring it up here

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tzviyehuda
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7 years 8 months ago #22995 by tzviyehuda

Replied by tzviyehuda on topic Pd ijector

Thank you very much

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Landroverman1958
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7 years 8 months ago #22996 by Landroverman1958

Replied by Landroverman1958 on topic Pd ijector

You will have to find if its an electrical misfire or a hydraulic misfire,the ecu,s do suffer with oil intrusion by the engine oil running down the engine harness into the ecu connectors/ecu they fill up with oil causing the ecu to short internally,its a very common issue.

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