Question about Dodge D150

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Power Loss The car just lost power, I press the gas pedell all the way down, the rev don't go as high as they should. This is a very weird thing.

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Go have your catalytic converter checked ....85% of the time (what you are describing ) the cause is a plugged or partial plugged exhaust system....If memory serves me correctly your vehicle has 2 catalytic converters and the most likely one to fail would be the first one right off the downpipe from manifold....Good Luck

Posted on Jan 07, 2009

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My1990 corvette lost engine power,cutts off when given a touch on the gas pedel,and lost the nice sound


Check engine light on ? Did you have it hooked up to diagnostic tool ? Could be a few different thing's , engine sensors , fuel system problem , plugged exhaust etc... If unfamiliar with this your best bet would be to take it to a qualified repair shop .

Sep 18, 2016 | 1990 Chevrolet Corvette

1 Answer

High emmisions loss of power at 3000 rpm diagnostics says no fault found


You didn't mention what sort of car you have.
You can try disconnecting the electrical lead on the MAP sensor. Then give the car a test drive.

A faulty MAP can cause high emissions, erratic running and high fuel consumption.

You can also try cleaning the EGR - the exhaust gas recycler valve.

It's strange that you have no fault codes. There is no check engine light illuminated?

Mar 15, 2016 | Cars & Trucks

1 Answer

What is the problem with the gas pedels


the CPU has shut down the engine to protect it so run fault codes to find what has happened.

Nov 10, 2013 | 2004 Volvo S80

1 Answer

My Kia Sorento automatic 2007 44k lost power and now wont go over 2000-2500 revs I don't seem now to have kick down


no check engine on possible fuel pump problem or converter plugged check airfilter and exhaust if the gas is escaping

Mar 25, 2012 | 2007 Kia Sorento LX 4x4

2 Answers

1993 Lexus Ls400 loss of power a 2500-3000rpm when you accelerate hard on the gas pedel, hower if you press down on the gas pedal slowly the power will increase all the way up to 6000rps with no power...


Sounds like your fuel filter is getting clogged up. Get that changed and it will be fixed. Should be an easy, cheap fix. Hope this helps, James Booth :))

May 17, 2011 | 1993 Lexus Ls 400

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1993 Lexus Ls400 loss of power a 2500-3000rpm when you accelerate hard on the gas pedel, hower if you press down on the gas pedal slowly the power will increase all the way up to 6000rps with no power...


Wish I had an answer - sounds very much like a problem I am having with my '92 LS400. I have a parts car, and have changed out the ECM, fuel pump, injectors, fuel pilter, fuel pressure regulator, ran the can with exhaust unbolted (check for clogged CATs, checked out my timing belt for slippage amoung other things, and nothing works. I have no check engine light on. Do you?


Jun 30, 2010 | 1991 Lexus LS 400

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1993 Lexus Ls400 loss of power at 2500-3000rpm


Check your MAF and MAP sensor. The first 80% of your throttle signal from the TPS works with the O2 sensor to try to keep the air fuel ratio to 14.7 to 1 with the ECM controlling the fuel injector spray time and timing the ignition. After the 80% to WOT the ECM puts the O2 sensor in to an open loop and takes the Reading form the MAF and MAP sensor to run the engine richer so there will not be any Detonation to the engine and burning holes in the valves for running too lean. That is why it always feel like you get a little more when you ease off on the gas peddle from WOT. Recap check the TPS, MAF,and MAP sensor and wires to those sensors, if you can get the car scanned that would be great and you may find out which sensor may have gone bad, the other thing to is the fuel pressure regulator may be going bad and at WOT the pressure may be to high causing it to run to rich causing the loss of power. Good luck and hope this helps. 

Jul 04, 2009 | 1991 Lexus LS 400

1 Answer

1993 Lexus Ls400 loss of power a 2500-3000rpm when you accelerate hard on the gas pedel, however if you press down on the gas pedal slowly the power will increase all the way up to 6000rps with no power...


It sounds like a fuel delivery issue so it could be many things such as low fuel pressure from the pump,clogged or partially pluged fuel filter, a malfunctioning throttle posisitioning sensor (if you have a check engine light on) or if its turbo it could be turbo lag etc.

Jul 04, 2009 | 1991 Lexus LS 400

2 Answers

Accelaration Trouble/Loss of Power


I'm still awaiting a solution from your team. All I got was a solicitation to join a premium plan. Why would I join a premium plan if you can't provide solutions to my problem.

Jan 20, 2009 | 1996 Nissan Pickup

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