Question about Cadillac Fleetwood

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Cranks but will not start

I have a cadillac fleetwood that will not start it turns over like it want's to start but it want

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  • t8tters Mar 23, 2014

    What years is your Caddy. The new 2013 - 2014 Caddy's will not start if the computer senses that something as little as a under-inflated tire. yes.....believe it or not...check your tire pressures. They should be around 28 - 32 psi



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  • 63 Answers

Turn the ignition switch "ON", do not start. Listen for the fuel pump to turn on. If you don't hear the pump, spray some brake clean into the intake. If it starts, then it's most surely a fuel pressure problem (fuel pump/filter/relay/fuse). Note: Even IF you hear the pump, perform the same test, if it starts, it's still points to fuel pressure and you need to so a fuel pressure test to be sure.

If does not start and you here the fuel pump, check for spark. If no spark, suspect Ignition control Module/coil (depending on model year).

If the fuel pump does Not start and there is NO fire (spark), the computer is not getting information. It's now time for a professional diagnosis as it may be many simple things, from a fuse ,bad connection to one of several sensors.

Posted on Mar 23, 2014

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Check the timing and coil packs and check the firing order to make sure they are correct otherwise it could be a bad PCM

Posted on Mar 23, 2014


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Posted on Jan 02, 2017

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SOURCE: 87 cadillac fleetwood won't

could be coil chech for spark and check for gas to engine could be fuel pump

Posted on Jan 15, 2011

  • 5158 Answers

SOURCE: Heater fan on a 1988 cadillac fleetwood deluxe

passenger side under the dash... tho there is a chance it's mounted on the passenger side inside the engine compartment

Posted on Jan 23, 2009

  • 20 Answers

SOURCE: 1983 cadillac fleetwood brougham 4.1 liter battery not charging

check the alternator fuse that can be a fuse link by the battery pole,check alternator voltage on the alternator red wire or connector,it should the same as on the battery ,check ground wires for loose intermitent contact

Posted on Aug 16, 2009

  • 1757 Answers

SOURCE: firing order for 1989 cadillac fleetwood...

For the 1989 Cadillac Fleetwood:
I do not know if you have the Fleetwood Brougham with the 5.0L V8, or the Fleetwood FWD (Front Wheel Drive) with the 4.5L V8; however I have included both below.

For the Fleetwood Brougham 5.0L V8:
Firing Order:

For the Fleetwood FWD (Front Wheel Drive) 4.5L V8
Firing Order:

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at!

Posted on May 21, 2010

  • 383 Answers

SOURCE: cadillac fleetwood turns off after running

check ignition coil and ignition module sounds like there getting hot and shutting off very good sign that there bad

Posted on Jun 13, 2010

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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 need a mechanical diagnosis...

Aug 08, 2014 | 1994 Cadillac Fleetwood

1 Answer

I started my 1993 Fleetwood Cadillac and i went to put it in reverse and it jammed between Park and Reverse and then when i looked at my Dash the Pass Fault Key light was on and the car would not go o

Can you disconnect the shifter at the transmission and move the shift arm ? Make sure the parking brake is set first.
You may have to disassemble the steering column to un-jam the key cylinder and shifter.

Aug 05, 2012 | 1993 Cadillac Fleetwood

1 Answer

Car wont start

You need to know if the fuel pump is working.TURN KEY ON,BUT DON,T CRANK engine, Listen for the pump to kick on(should hear it.)IF the check engine light is on,have it scanned. A bad crank or cam sensor could prevent starting.IT could be anything from bad plugs,wires,out of gas, or bad sensors.

Nov 26, 2011 | 1983 Cadillac Fleetwood

2 Answers

Had to replace fuel pump in 1994 cadillac fleetwood still want start cant get power to the pump grey wire but power going to fuel gauges

replace the oil sending pressure sensor on the engine which provides the priming of the fuel pump uopn first starting the engine

Apr 30, 2011 | 1994 Cadillac Fleetwood

1 Answer

All my lights in my 1993 fleetwood brougham turn on, but when I try to start it, it don't start or crank.

Is the security light lit up on the dash when it wont start? If so, you have a VATS security issue. The system will actually turn off the starter if it feels that it is being stolen. It thinks its being stolen when the chip in the key doesnt communicate with ignition/lock cyclinder. Or if the security computer is going out. (it's called the TDM) If that light is on, its a dead give away that the vats is messed up. If no light, id try a good charge on the battery. Sometimes the lights will work fine but you dont have those cranking amps that you need to start.

Apr 15, 2011 | 1993 Cadillac Fleetwood

1 Answer

Have a 93 cadillac fleetwood, changed key cilinder and computer, but pass key fault light still comes out and does not let engine turn on.

The security system is keeping the engine from starting. In order to manually learn the security, you should try the following. With a fully charged battery, and all accesories, including headlamps, and dome lamp off, turn the key on, crank the engine for a second, then release the key. Leaving the ignition on for ten miniutes, the security light will shut off. turn the key off, back on, then repeat. This needs to be done 3 times, after 30 mins, try starting the engine. It should have relearned, and start up. Good

Dec 10, 2010 | 1993 Cadillac Fleetwood

1 Answer

Why wont my 91 fleetwood crank the battery is good so is the starter

Did you try really cleaning the cables to posts connections. There can be a voltage drop to prevent enuf current flow for such a high demand as starting.

Nov 19, 2010 | 1991 Cadillac Fleetwood

1 Answer

How to reset my change oil light on a 1995 cadillac fleetwood

Turn ignition to start position w/o cranking it,leave it there and press the gas pedal to the floor three times and it'll go off!

Oct 25, 2010 | 1995 Cadillac Fleetwood

1 Answer

How big is an engine in an 83 cadillac fleetwood

Depends on the 8th digit of your VIN code = engine size.

VIN "6" - 8cyl. 6.0L 4BL (4 barrel carbureted)
VIN "8" - 8cyl. 4.1L TBI (Throttle Body fuel Injected) (95 % of 83 Cadillac Fleetwoods)
VIN "9" - 8cyl. 6.0L TBI (2% of 83 Cadillac Fleetwoods)
VIN "N" - 8cyl. 5.7L MFI (Multi-port Fuel Injected) Diesel OHV (Overhead Valve)
(3% of 83 Cadillac Fleetwoods)

Oct 15, 2010 | 1983 Cadillac Fleetwood

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