Question about 1994 Cadillac Fleetwood

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Engine Idle High/Loss of overdrive and third gear

1994 Cadillac Fleetwood - LT1 engine began Idling high and lurches when put into gear. When in normal drive, it stay's in first gear and then floats around like it's hunting the next gear. Can only reach 1st and 2nd gears manually.

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Did you check for vacuum leaks? vacuum leak will cause a higher rpm , and some use vacuum to shift transmission,

Posted on Oct 28, 2008

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Posted on Jan 02, 2017

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MY 94 CADILLAC SEVILLE SLS IS IDLEING HIGH. I JUST REPLACED THE STARTER PUT IT BACK TOGETHER THE STARTER IS WORKING NOW BUT NOW MY CAR IS IDLE IS HIGH, I DON'T KNOW HOW TO LOWER THE IDLE CAN YOU HELP


I am assuming a Northstar engine. Car idle is in no way connected to the starter - you have probably disturbed something else nearby. Since the starter is close to the throttle body, check the TPS, IAC motor and for a sticking throttle linkage - they all can cause idling problems. By the way, there is no user idle adjustment - all controlled by the engine computer.

Jul 13, 2017 | Cadillac Cars & Trucks

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94 Fleetwood lt1 brown crud in coolant reservoir


Looks like mud ? What type coolant have you added ? Take the radiator cap off an look into it , do you see the same ? Have you ever had the cooling system flushed ? There was a problem with people adding green coolant to GM - Dex-cool ,orange ! Clog's the passages in radiator ,inside the engine , heater cores etc... Pull the oil fill cap on the valve cover an look at the under side of the cap , do you see brown frothy looking goop ? Coolant getting into the oil ! Why it called DexKILL

Sep 19, 2016 | 1994 Cadillac Fleetwood

1 Answer

Why my 5.7 350 lt1 engine not getting any fire?


May be bad gas...but probably an ignition module or crank position sensor...you need a mechanical diagnosis...

Aug 08, 2014 | 1994 Cadillac Fleetwood

1 Answer

Where can I get a wiring diagram of my cooling system 1994 fleetwood brougham cadillac


Hi Cheryl, I'm glad to help!

Cheryl, sense we are working with a 1994 there's 3 things you can do. (1) You can try to google it. " 1994 Cadillac Brougham cooling system wiring diagram" NOTE: don't forget to put the engine size in there so you get the correct diagram. (2) You can go old school and see if you can find a manual for your vehicle. (3) You can go to the Library and see if they have your manual or pull it up on the slides. They'll charge you to print it but I've found a lot of help doing it that way. Hope this helps and have an awesome day Cheryl.

Jul 01, 2014 | 1994 Cadillac Fleetwood

1 Answer

2001 dodge dakota sport with 2.5 engine idles high when I start it up, continues idling high, when pushing clutch in to change gears it idles extremely high


Does it do it if you disconnect the idle air control valve ?
You need to know if its a vac leak or if the computer is making the valve open too far.

Feb 09, 2014 | 2001 Dodge Dakota

1 Answer

Coaster idling high and high fuel consumption


Water temperature is low cost oil is certainly the easiest way is with a hard shell to block part of the warming effect of the radiator well as for how much you want to try to stop. Idle temperatures will rise up relatively low. What is the pull speed? Not run fast but continues to run uninterrupted some time. Usually two hours can be. Is to allow the engine to reach full swell purpose. Such a shift is to be based on the vehicle speed and the reference engine speed. Not based on the engine speed. Driving is probably the single 30 towards third gear, fourth gear towards forty, fifty five-speed ahead. Many people on the car ahead of change. As long as the engine sounds smooth, no trailer can be.

Dec 11, 2013 | Toyota Cars & Trucks

1 Answer

Running rough


Put some premium or high test gas in the tank and a can of Seafoam. Take it out for a good drive. Sitting for a year or so will cause the old gas to varnish in the fuel lines and injectors. Whyen you park it again, make sure there is NO regular gas in it. Regular gas with ethanol will create havoc with an engine that sits. It makes water.

Jul 04, 2013 | 1994 Cadillac Fleetwood

1 Answer

1994 Cadillac Fleetwood Radio. Once turned on the display cuts out, you can tune the radio to a station. The problem i'm having is that the radio will go from low volume to very high and then cut off...


Most likely, you will have to remove the radio
& take it to a car radio shop

Not many around anymore

They usually resolder whatever & put a
new belt on your Cassette or CD Drive & your good to go

Aug 03, 2011 | 1994 Cadillac Fleetwood

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