Question about 1988 Mazda 626 Turbo

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If the turbo fails will the the car still run

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It might but it will through all the oil out

Posted on Mar 11, 2011

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Hi Mark7transit tdci 2402 cc Loss of turbo now and again any ideas .?


Lubrication or cooling. Use sythetic oil for bettr results. Turbos run hot and will fail. Chec for any blockages or leaks in system..that includes air

Dec 05, 2016 | Cars & Trucks

1 Answer

My saab 95 1.9 tid revs fine in neutral when put in drive and pull of there's no power won't go above 3000 ram any ideas


HI Derek.

There are a few possibilities that come to mind.
3K RPM is generally about the break-even point for when Turbo boost would kick in. There is a dump valve on the turbo system that opens up and vents the extra turbo pressure under high-rpm situations where the boost isn't needed - say high but steady speed on a freeway. If the dump valve system is malfunctioning, then that anticipated turbo run-up in power won't happen.

Revving fine when in neutral may not tell you much, other than that the engine can rev. The gating system will (or should) run differently under load - whether climbing a hill or accelerating, this is where you want the turbo boost to give you the extra power. THat's where the exhaust gate should stay shut, or mostly shut, to allow the turbo to force more air into the pistons.

You might want to check whether the APC (Automatic Performance Control) for the turbo has a separate fuse. (The name might be different on your model, I'm remembering from my 80s/90s era Saabs). If the fuse is blown, that could also lead to lame performance, especially as I'd imagine that the system would be built to fail or go to full open if the APC fails or loses power - that'd keep people from having run-away power that they can't manage.

Hoping this helps

D

Dec 08, 2015 | Saab Cars & Trucks

1 Answer

Turbo works somtimes only gets to tothouson refs


check the vacuum hose to the turbo actuator . Check the shaft from the actuator for free movement. Check for loose turbo hose fittings. Check for cracks in the intercooler . Run fault codes to check for failed sensor in MAF/MAP

Sep 14, 2013 | Cars & Trucks

1 Answer

2004 mazda b 2500 turbo diesel keeps running after switching off


Check how long it runs for after switching off as there may be a delay in the system that keeps the motor running until the turbo slows and cools down then shuts off. If it has it will be about 2-3 minutes. Another reason that diesels keep running is that there is oil getting into the air inlet side of the turbo from a failed seal and this acts as fuel going into the cylinder and as diesels do not need ignition spark they will keep running. have it checked out by a specialist who medals in turbo repair and sales.

Jul 18, 2013 | Cars & Trucks

2 Answers

Astra h 2004-2009 error code p0234 boost pressure positive deviation


sensor failing or coming lose and not being able to read engine movement i think they have sensors for tdc and bdc so would check them.on petrol engine they are cam and crank sensors. they fail and sometime don't though up a code until completly gone and then the engine will not start.

Feb 12, 2013 | Vauxhall Cars & Trucks

1 Answer

Hello.I got my Volvo s40 2002.Its suppost to have a turbo build-in.But I cannot feel the difference,basically when is turbo starts working?Thanks!


The S 40 came with different size and spec engines and they were not all Turbo charged versions. The choice of engines available depends on which country you are in.

The turbocharger is driven by the engine's exhaust system and runs continuously but has minimal affect at low engine RPM. Unless the turbo has failed, you should feel the turbo effect kick in when you accelerate hard but there will be a brief lag .

If you have the turbo engine fitted to your 2002 model S40 you will have a " 1.9T " badge on the rear of your car under the S40 badge. The "T" designates Turbo. An engine designator badge without a "T" indicates it is not turbocharged.

The turbochargers on these S40 models will fail (especially if the car has done a lot of miles) so you should have your car examined if you feel the turbo is not functioning.

Dec 18, 2010 | 2002 Volvo S40

1 Answer

2001 VW Jetta 1.8T The problem we are having is no acceleration. We have changed anything and everything you can think of. The car runs fine but no power.


Failed mass airflow sensor, failed turbo, and turbo waste gate valve sticking open are all things that will do just that.

There was a recall on the mass air flow sensors on these vehicles but they would not replace them in the past unless they failed.

Sep 23, 2010 | Volkswagen Jetta Cars & Trucks

1 Answer

Hi my 93 20L Turbo sounds like a diesel, when i turn wheel sound goes.


being 93' im not sure if the car has high miles, if it has 100k or more it would not surprised me if you start to get a poor performance and harsh noise comming out of the turbo. Life expectancy on the turbos usually run 100k and water cool tend to last a bit longer, some has better luck than other; than again it depend how the car has been driven, if it driven hard the turbos tend to work extra hard and burn out quicker. The most important factor now is that you have to maintain good clean oil change on regular basis and it very essential to cool and lubricate the tubo bearing. Bearing inside the housing usually tend to fail first, which will cause the turbo to spin unbalance wobbling in it housing causing it to make weird noise. I would take it to mechanic who know about the turbos, he can actually listen to it and tell you if the turbo is reaching the end of its life. turbo tend to get expensive to replace without it the car run very poorly and use excessive fuel consumption. If the turbo is reaching end of it life you can adjust the wast gate on the turbo to make the turbo not to run so hard, it will have some effect on performance however it will keep your turbo last allot longer than having it quit completely. Junk yard or ebay will be a good place to find a used turbo for cheap. hope that help some...

Oct 04, 2009 | Saab 9 3 Cars & Trucks

3 Answers

Oil coming out of exhaust and whistling turbo


it sounds like your turbo has packed in firstly the oil seal in your turbo has failed thats why ur seeing oil from exhaust & the whistling from turbo is the vanes in turbo breaking up so i would advise not to use car until new turbo is fitted & inter cooler pipes and inter cooler itself are checked & cleaned for swarf from turbo you can check turbo by disconnecting turbo pipe &inspecting turbo vanes (fins) to see if broken up or any damage to chamber.

Feb 14, 2009 | 1991 Peugeot 405

2 Answers

DAUGHTER'S 2002 PASSAT TURBO


If the turbo is truly failing, then it could put metal pieces through the engine if it broke apart. Usually when a turbo fails, it's the bearings wearing out, and the turbo starts making a "dentist's drill" sound when the car accelerates. $1500 sounds pretty steep but if it's at a dealership, I can see where it would cost that much. A better bet is an independent European car specialist - usually they'll cost significantly less. Also, you can source a turbo on your own (you'd be looking for a K03s turbo) and give it to the mechanic to install, to save even more.

If you're in New York State, I could do the job in my garage for you. I can source the turbo and do the work here.

Aug 12, 2008 | 2002 Volkswagen Passat

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