Question about 1999 Saab 9-5

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Yes it would ,low air pressure

Posted on Aug 02, 2009


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Coming home from work lost down to 40 2012 1.6 diesel focus is it the turbo although where was no smoke coming from exhaust

check for a blown turbo intercooler hose or split in the intercooler
have the fault codes read as it may not be the turbo at all

Nov 04, 2016 | Cars & Trucks

1 Answer

I drive a vw polo tdi 2006,when I went up the brigde it made a strange noise then black smoke started coming from the exhaust could not see even the car behind me,what coused it?

TDI I take is turbo direct injection so if that is the case you have a turbo problem or a split intercooler
what ever , the air/ fuel ratio has altered to excessive fuel
the noise could be a blown intercooler hose , split intercooler or turbine wheel in the turbo breaking off
Take it in for a proper diagnosis and have the codes read

Sep 18, 2016 | Cars & Trucks

1 Answer

Turbo not boosting engine light comes on now and then

turbos that are not boosting may be loosing the pressure from cracked/split intercooler, loose hose clips, split hoses and seized up variable vanes in the turbine side which the actuator tries to work when it gets vacuum from the actuator control module. Check that this hose is not cracked or broken off

May 11, 2014 | Subaru Forester Cars & Trucks

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My 6.4 cylinder 2005 f-350 starts but turbo is not putting out power

Hello, the engine is 6.4 liters, v8. check for broken or crack hoses in the outlet of turbo,intercooler,and hose after intercooler going to the engine.It may is your problem.also u can remove the inlet hose to the turbo(coming from air filter) and check the turbine inside,for proper operation(turn freely,no axial movement,etc) good luck.

Mar 17, 2013 | 2008 Ford F 450 Super Duty

1 Answer

Ford mondeo ghia x tdci 2002 power problem

split intercooler hose, happened to mine do you hear a sucking noise when accelerating? new hose costs about 40 quid main dealer only

Jul 08, 2010 | 2004 Ford GT

2 Answers

I have a check engine light and I am reading two codes P1171 and P1181. I have a 1999 95 SAAB

Don't know if it is any help but I had the same problem and it turned out to be the intercooler hose was split and sucking air. Fixed it and know problem now.

Jul 03, 2009 | 1999 Saab 9-5

1 Answer


the information is from the air sencoir onthe cat see exhaust. if you have a turbo .check hose from turbo to intercooler and clean check hose from intercooler to inlet manafold and clean if oil water mix found clean and check intercooler you may find oil and water mix

May 01, 2009 | 2006 Audi A4

1 Answer

2002 Beetle: smell of gasoline since vacuum hose was replaced

If the hose he used wasn't made to hold gas, it is going to melt. If he crimped it to make it fit and the fuel pressure is too great, it may split. You should get the factory part, if it is a shaped hose, not a straight section that can be clamped into the system. As for where the fuel may go, you need to look at the area under the hose that split to see if there are stains that still smell strong from the gas that collected on that area.

Jan 26, 2009 | 2003 Volkswagen New Beetle Convertible

1 Answer

01 Beetle turbo - ESP light

There must be faults if these lights are coming on. Check these first. (Scanner needed) Sounds alot like a boost hose is pierced or loose. Check all of them from the turbo to the intercooler and then to the motor. Also check closely the intercooler might be pierced too so small you won't see. Check all the clamps are tight around all these hoses. Many times both lights come on if your map sensor on the intercooler isn't getting good readings but rarely is the problem the sensor.
You might have a strange air sound at first then the car will go into limp mode and you loose all power.
If everything is good there check the mass air flow sensor.

Oct 29, 2008 | 2003 Volkswagen New Beetle Convertible

7 Answers

Black smoke from exhaust

This is almost certainly a split hose - mine was the large hose coming out of the bottom of the EGR valve.

Speaking to a parts guy at my local Jaguar dealer, he said that the new part is uprated as Jaguar are aware that this is a problem.

The split allows more air in and results in the ECU changing the mixture and over fuelling - Black smoke is an indication of un-burnt Diesel. As well as the black smoke you may also notice a whistle/whine or sucking noise when you accelerate and a lack of power / lumpiness at around 2000rpm.

Hope that helps!


Jul 20, 2008 | 2002 Jaguar X-Type

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