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What are these? And MAF question

295 Views 9 Replies 3 Participants Last post by  Svarios, 
Svarios
Hi guys I discovered that I have a little pipe leak as it’s cracked, does anyone know what that pipe is for and if they have a code (to look for a purchase)

Automotive tire Hood Motor vehicle Automotive exterior Electrical wiring


Also I’m in doubt about my MAF working properly, I’ve done the test: disconnected it while the car was running and the car didn’t turn off itself, is it a valid test with this car?
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nicam49
MAF answer : no it's not a valid test on the mk3.;disconnecting the maf won't stall the engine.
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nicam49
1-3-4-2 is the FIRING order of the cylinders. Does that make it clearer?
If you've still got the original injectors fitted, they shld be in the cylinders as numbered on the sticker. You can quickly check this by taking pics of the labels on the injectors and comparing the 16-digit hex codes with those on the sticker.
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nicam49
Correct! Cylinder #1 being closest to crank pulley end and cylinder #4 closest to battery end.
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