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Audi 80 tdi bad mpg

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sumpcracker Posted a lot Yes, I’m still here. Posts: 1,751	Audi 80 tdi bad mpg sumpcracker @sumpcracker
	Sept 14, 2011 2:51:20 GMT Select Post Deselect Post Link to Post Back to Top
	I have just purchased a 1.9 tdi avant (1994) It seems to get on average around 30-35 mpg rather than 50-55. Are there any common causes for this? (aside from poor driving) Thanks, Gav.
	Porsche 944 turbo - retrorides.proboards.com/thread/90280?page=37 Audi 80 tdi avant - retrorides.proboards.com/index.cgi?action=display&board=readersrides&thread=112676&page=1 aUDI 80 Cabrio - retrorides.proboards.com/thread/152413/1994-audi-80-cabriolet?page=2

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Harold Ramp Bumface Fandango Posted a lot Posts: 4,835	Audi 80 tdi bad mpg Harold Ramp Bumface Fandango @cavmad
	Sept 14, 2011 7:20:33 GMT Select Post Deselect Post Link to Post Back to Top
	I'd start by giving it a basic service, chuck some diesel injection cleaner in the tank and changing of fuel and air filters should be the first ports of call. Even with poor driving you should be seeing low 40s. I have the same car and even when really wellied it's still pretty good.
	Corsa Apology Champion 2014.

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mortcars Posted a lot Posts: 1,650	Audi 80 tdi bad mpg mortcars @mortcars
	Sept 14, 2011 7:36:11 GMT Select Post Deselect Post Link to Post Back to Top
	is it running ok? google cleaning the MAF on the TDI, had various issues with my early A4 TDi and after cleaning the MAF, decat, and egr blank it ran lovely, also check for leaks on boost hoses
	'90 Audi B3 Coupe 2.3 Auto [gone] '92 Audi S4 Avant 2.2 AAN Turbo Auto [gone] '93 Audi 80 Avant 1.9TDi [gone] '96 Audi A4 Avant 2.6 Quattro [gone] '97 VW T4 1.9td LWB [gone] '03 Skoda Octavia 1.9TDi [gone] '05 VW T5 Shuttle LWB 1.9TDi '15 VW Caddy Maxi Kombi 1.6TDi

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rippednails Part of things Posts: 87	Audi 80 tdi bad mpg rippednails @rippednails
	Sept 14, 2011 20:16:31 GMT Select Post Deselect Post Link to Post Back to Top
	turbo related? Or whatever is the most expensive system... Thats usually why things appear as bargains? Turbo choking it to death? ..... ?


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ChasR RR Helper motivation Posts: 10,192 Club RR Member Number: 170	Audi 80 tdi bad mpg ChasR @chasr Club Retro Rides Member 170
	Sept 14, 2011 22:58:20 GMT Select Post Deselect Post Link to Post Back to Top
	A good service (especially the air filter IME) will transform a derv in how it behaves/MPG etc. My old 306 did high 30s around town before. I sold it with it doing around 46MPG (mixed driving, where it would previously scrape 40).
	~~'72 Mercedes W108 280SE 4.5~~ '79 Honda NC-50 '03 BMW M3 Coupe '08 BMW E91 325d M-Sport Touring Pre-LCI '16 Yamaha XSR700 My car history and exploits: leylandlegends.com

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rippednails Part of things Posts: 87	Audi 80 tdi bad mpg rippednails @rippednails
	Sept 16, 2011 20:33:59 GMT Select Post Deselect Post Link to Post Back to Top
	Sept 14, 2011 20:16:31 GMT rippednails said: turbo related? Or whatever is the most expensive system... Thats usually why things appear as bargains? Turbo choking it to death? ..... ? Or the opposite - split intercooler pipe? Just a hunch based on the fact you have a split one lol. Did it cure the problem?


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