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PD 160 Intake Mod.

This is a discussion on PD 160 Intake Mod. within the Fabia I forums, part of the Skoda Model Discussion Area category; Does this mod increase the mpg?...


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Old 18-06-2005, 17:58   #1
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Question PD 160 Intake Mod.

Does this mod increase the mpg?
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Old 18-06-2005, 18:04   #2
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Try a search, been discussed many times, some say it does, some say it doesnt, imo, it hasnt affected mpg one bit.
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Old 18-06-2005, 19:01   #3
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Shouldn't affect it as the same amount of fuel is still being injected into the engine

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Old 18-06-2005, 21:38   #4
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If the modding the air intake does'nt make a difference why does everyone fit new panel filters (Green etc)?
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Old 18-06-2005, 21:55   #5
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Quote:
Originally Posted by YeeHaa2.0TDI
If the modding the air intake does'nt make a difference why does everyone fit new panel filters (Green etc)?
Doesn't make a difference to the mpg (as per the question )

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Old 18-06-2005, 22:01   #6
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???? The engine's either running leaner or adding fuel to keep the mixture right; which is it. ????
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Old 18-06-2005, 22:04   #7
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I personally found the panel filter smoothed the engine, as the OEM filter filled the airbox.

The PD 160 intake appears to dramatically reduce soot after remap.
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Old 18-06-2005, 22:08   #8
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Quote:
Originally Posted by YeeHaa2.0TDI
???? The engine's either running leaner or adding fuel to keep the mixture right; which is it. ????
Diesels are different to petrol. All the available air is forced into the cylinder and the ECU just squirts diesel in, unlike a petrol where the ECU determines the correct mix and then injects this into the cylinder.....

So, regardless of how much air is going in, the same amount of diesel is injected, it just burns more completely so it's less sooty.........

At least, that's my understanding....

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Old 18-06-2005, 22:17   #9
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There must more to it now with Euro4 emissions etc. Also old diesels did just quirt in the fuel. What is the MAF for? I thought it was to to tell the ECU the mass of the intake air so the fueling can be adjusted to keep within the euro emissions.
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Old 18-06-2005, 22:35   #10
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Quote:
Originally Posted by YeeHaa2.0TDI
There must more to it now with Euro4 emissions etc. Also old diesels did just quirt in the fuel. What is the MAF for? I thought it was to to tell the ECU the mass of the intake air so the fueling can be adjusted to keep within the euro emissions.

Correct, with modern diesels fuel quanity is adjusted by the ECU.
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Old 19-06-2005, 09:16   #11
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Yet more reason to make sure sufficient air reaches it As although the ECU can add fuel when there is sufficient air, it may also reduce it (if not) so you ought to get a better chance to increase fuelling
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Old 19-06-2005, 09:19   #12
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I'm confused by this..... if the ECU adjusts the fuel based on the level of air, then why are diesel smokey under hard acceleration?

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