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Model specific boards => Golf mk4 => Topic started by: stace110 on 14 December 2012, 20:11

Title: Weird Boost ....
Post by: stace110 on 14 December 2012, 20:11

Hi guys,

For some reason i keep getting different levels of boost .....somedays the max will be as low as 4 psi and tonight 8/9psi any ideas.....?
1.8t agu, decat, airfilter, cold side dumpvalve,

Title: Re: Weird Boost ....
Post by: Wazzzer on 14 December 2012, 20:22

Boost levels change depending on atmospheric conditions but I'd say to drop by half like that you have a leak or a weak actuator

Title: Re: Weird Boost ....
Post by: stace110 on 14 December 2012, 20:26

She has done 139k and has a slight exhaust blow from the down pipe flange ....

Title: Re: Weird Boost ....
Post by: Wazzzer on 14 December 2012, 20:42

The blowing won't help as the lambda will be adjusting the fuelling to compensate. I'd say weak actuator with that mileage

Title: Re: Weird Boost ....
Post by: stace110 on 14 December 2012, 21:20

Easy to change ....?

Title: Re: Weird Boost ....
Post by: tshirt2k on 15 December 2012, 12:52

Or even boost leaks.