Question about 1993 Jeep Grand Cherokee

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Engine seems like its choking. like not getting enough air. Heat seams to make worse. feels like turbo after 3500 rpms struggles before 35oorpms. 93' jeep cherokee 4.0 L

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Most lickely the CAT is chocked up so excessive back pressure, so clean out the cat or replace

Posted on Jul 07, 2010

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Posted on Jan 02, 2017

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The Turbo Charger does not seem to engage .I was led to believe that after around 30 miles per hr. it would be like haveing a passing gear. Oh yes the car is a 1984 Nercedes SD 300 series Desiel.


The turbo charger has more to do with rpms than road speed.The turbo uses exhaust gas leaving the engine to push more fresh air into the engine thus creating higher compression and more horse power.You should feel some boost above 1500 rpms if everything is working properly.If not then you should have the system checked by a dealer or a good diesel shop.Good Luck!

Apr 02, 2011 | 1984 Mercedes-Benz Mercedes Benz 300 Class

1 Answer

I dont think the turbo is working!


Unless something has gone horribly wrong with your vehicle, a turbocharger is a maintenance free item. A turbocharger works by using exhaust gas pressure to spin a turbine, wich then sucks and compresses cool clean air into the engine. Depending on what make and model vehicle, you can see how the turbo works by briefly removing the intake tube, from the air-side intake snail. revving the engine, hold your hand over the turbo snail you should feel quiet a lot of air being dispelled from the turbo. No oil should appear on your hands and their should not be any unusual noises, apart from the turbo whistle. Hook it all back up and whilst driving you should be able to feel a small increase in power, through the rev range. Depending on make and model, this will vary at the point this turbo boost comes in to play. Many engines it is around 1900-2500 Rpm. Petrols will be higher than diesels!

Jan 24, 2011 | 1997 Chevrolet C/K 3500

1 Answer

2004 chevy express 3500 no shifting properly


if you have specific details as to the times , rpms , conditions that cause the problems take it to an accredited auto transmission specialist shop and have it diagnosed
with your details they should be able to pinpoint the fault as it will not be uncommon

Jun 08, 2017 | 2004 Chevrolet Express

1 Answer

1995 eagle talon with a axpi S-AFC 2 and g16 turbo 2.0l dohc


You need to switch your programming in your apexi safc2, your air to fuel is wrong. There's alot of places on the internet to look. Try typing in eclipse safc settings, check DSM sites there is alot out of them out there. I have had several 1g and 2g DSMs.

Nov 05, 2009 | 1995 Eagle Talon

1 Answer

I have a 2003 VW Jetta, 1.8 turbo. And it seems


you might have a bad coil get it tested with computer to see witch one is bad same thing was going on with sister car rpm would go up felt weak it ended up being a bad coll.

Aug 13, 2009 | 1999 Volkswagen Jetta

1 Answer

1997 nissan Pathfinder once warm rpms drop when


The sweet smell is your engine coolant,check for a leak under the hood,look for green fluid,Have your catalyst checked,for the other problems,and your fuel presure checked,or change the fuel filter.Either of these should help a little.

Jul 22, 2009 | 1997 Nissan Pathfinder

3 Answers

Jumping or jerking when i accelerate


I had a turbo renault , I cranked the wastegate down to increase boost and had same problem.
There was a sensor that cut the ignition if the turbo was over pressuring. Was a pretty violent jerking, felt like it was tearing the engine mounts out.

May 05, 2009 | 1996 Subaru Impreza

1 Answer

2004 Ford F-350 6.0 Turbo Diesel - Severe Hesitation at Take Off


Some of these engines have a place to drain water out of the fuel system.. Some fords actually have a stick under the hood that you push or pull That opens a valve on a water collection bowl. It's not labeled usually. It might state where it is in the owners manual under fuel water drainage or something similar.. if that bowl is full it will cause hesitation... If it gets over full it will cause runability problems. Another possibility since you said it's black smoke is one of your injectors is sticking at low rpms and squirting raw fuel into the cylinder till the rpms get up enough to burn that fuel off completely then then the injector works a little better.... Do you notice any missing... Feel something under the hood like the air cleaner housing and make sure the vibration is constant and doesn't have a small sudden shake and the n smoothe... And then a small sudden shake again.
If it does have this shake you can trouble shoot which injectors by with the engine running loosening an injector line and seeing if the engine runs worse or not.. If it runs worse tighten it up and move to the next line till you unscrew one and feel and hear no difference... When you find that one that's the injector with the problem.

Apr 22, 2009 | 1997 Ford F350 Crew Cab

1 Answer

Dodge ram 3500 clown whistle


sounds like you have a turbo with a bad bearing.
pull of the turbo and rotate it by hand to see if it is hanging up.
Most turbos start to make a different noise when they start to go.
Sometimes dirt can bypass the air filter if is not changed on a regular basis and can cause the turbo to fail or become dirty enough to cause it to spin slower, (the dirt prevents the exhaust to spin the turbo at the right speed and the air passing the fins can whistle), it will cause bearing failure after a while. Also if you have too much soot in your exhaust from too much oil, the exhaust side of the turbo can become too dirty to operate properly

Jul 21, 2008 | 2005 Dodge Ram 3500

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