Mazda Rotary Club

General => General Technical => Topic started by: aaron_rx7 on August 03, 2010, 09:00:08 AM

Title: 2nd turbo not boosting??
Post by: aaron_rx7 on August 03, 2010, 09:00:08 AM
Hi, i have a 92 fd which i brought cheap as it was flooded, the had been to a three garages and none of them could get it running. After reading the un-flooding procedure on here the car was running the same day!
The car has been off the road for about 2 1/2 years and have now changed all the fluids and got all the missing parts back on it, the car runs fine except the 2nd turbo is not boosting, have checked the turbo\'s both are good and both actuators are working... Any ideas appreciated?
Title: 2nd turbo not boosting??
Post by: marcusd666 on August 03, 2010, 09:08:18 AM
Hi, This could be anything ! here is a link that might help you. When mine was not boosting right it was a broken wire in the loom!

Click Here (http://www.autosportracetech.com/RX-7/TurboTroubleshooting.htm)

Hope this helps.
Title: 2nd turbo not boosting??
Post by: trotter on August 03, 2010, 12:46:46 PM
if it\'s not been driven in a while it could be an issue with the vacuum pipes / connectors.

They tend to dry up and crack kinda easily when left unused.

If it is the rats nest though, good luck! It\'ll drive you mental!! If you search on here for the hose diagram though it\'ll make life easier!]

hth

graeme
Title: 2nd turbo not boosting??
Post by: JohnP on August 15, 2010, 05:31:01 PM
gotta agree with trotter. I had seq boost issues, turned out to be a one-way check valve under the pressure chamber. couple of quid to fix, also, got a bit DIY and wrapped it in tin foil to try and reflect some heat in the future! havent had any problems for a good 2 years.

http://www.google.co.uk/imgres?imgurl=http://www.turborx7.com/images/Technical/vacuum_hose_diagram2.jpg&imgrefurl=http://www.turborx7.com/rx7vacuum.htm&usg=__Ryf3xU6SKpEnAdl__zoaUAlkejo=&h=1943&w=1399&sz=953&hl=en&start=0&tbnid=hmhnjHogbvv0PM:&tbnh=148&tbnw=107&prev=/images%3Fq%3Drx7%2Bvacuum%26hl%3Den%26biw%3D1280%26bih%3D897%26gbv%3D2%26tbs%3Disch:1&itbs=1&iact=rc&dur=183&ei=-RVoTOjeA4i6jAfW2qTUBA&oei=-RVoTOjeA4i6jAfW2qTUBA&esq=1&page=1&ndsp=30&ved=1t:429,r:0,s:0&tx=76&ty=83

this may help :)