Question about 1994 Lexus SC

Open Question

94 LEXUS SC400 RUNS rough and has loss of power


Posted by Anonymous on


2 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

  • 184 Answers

SOURCE: I recently washed the engine compartment on my

check inside all of the sparkplug cavities,there will probably be water inside,just dry out the lead tube ends and blow out with air down where sparkplugs are.if no air you can dry with thin screwdriver and rag,or pull out the plugs and let water fall into cylinders,wont be enough to damage,just burn out on restart. dont be tempted to keep driving it like it is as the over fuelling cylinders with poor spark can cause damage to catalyic converter,(will smell really hot from under vehicle)

Posted on Aug 31, 2009


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

My Megane driving along sudden loss of power, service light and check injection, if I switch engine off clears fault for a while, but keeps happening ?

Might be your crankshaft sensor or your ox?geno sensor, th3 only way to know is by putting a scanner and see what code (s) it gives you.

Sep 22, 2016 | Renault Megane Cars & Trucks

1 Answer


even though you may have had a intermittent issue check the pcm there may be a code that will help you when/if this happens again

Oct 15, 2012 | 1998 Chevrolet Tahoe

1 Answer

Extreme loss of power while driving. Starts and idles smooth. Changed spark plugs, spark plug wires , pcv valve. Replaced radiator several months ago. Loss of power seemed to appear overnight. Any...

Is your check engine light on? If so, get it scanned. Seems like it would show up on a test. You might have a vaccum leak or faulty fuel injectors

Feb 15, 2011 | Hyundai Motor 2002 Elantra

1 Answer

1995 suburu impreza, constant loss of engine power dosent smoke or backfire just has no power i installed a new air filter and fuel filter plugs and wires but did not help

I would take out all the spark plugs and perform a cylinder compression test and compare the results of your engines compression to a repair manuals specs and see if the results sumwhat coinside, if you find the compression to be considerably low across all 4 cylinders i would check your timing belts condition and make sure all the timing marks line up its possible your belt is worn and could have jumped out 1 tooth of valve timing causing extreme power loss in the engine.....

Dec 12, 2010 | 1995 Subaru Impreza

1 Answer

2003 Yukon, rough idle, extreme power loss,code PO300, miss firing. Changed plugs,wires, and fuel filter with no change.?????

My brother had a similar issue with his Ford F-150, he needed the fuel injectors replaced. Good Luck!

Sep 30, 2009 | 2003 GMC Yukon XL

1 Answer


Likely your power booster is leaking vacuum. If so it needs to be replaced. Noise is under dash near where the brake pedal rod goes into the firewall?

Apr 02, 2009 | 1999 Jeep Cherokee 4WD

1 Answer

Loss of power at times

Yes the Distributor SHAFT Has An OIL Ring Use Extreme Care in Disassembling it

Feb 12, 2009 | 1991 Honda Accord

Not finding what you are looking for?
1994 Lexus SC Logo

Related Topics:

112 people viewed this question

Ask a Question

Usually answered in minutes!

Top Lexus Experts


Level 3 Expert

77499 Answers


Level 3 Expert

917 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Are you a Lexus Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides