[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: 91 200qw hose replacement/boost problem

Ed Kellock wrote:

> Question: On the 3B engine, if I pull the dipstick or remove the oil filler cap,
> should it stall or not?

No, it should not. Your car's fuel distributor measures the amount of air, that enters 
the intake by a *hot wire* method. Unlike earlier CIS cars (like mine), your's is not 
vacuum dependent.

> Also, this morning I unplugged the throttle position switch and right off the
> bat experienced limited boost.

It's because the CIS-E can not sence the WOT condition with the TPS switch unplugged, 
hence it does not go into open loop and therefore max boost is not attainable.

Igor Kessel
'89 200TQ - 18psi (TAP)
'98 A4TQ - on order
Philadelphia, PA