Question about 1991 Cadillac DeVille

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Running on 4 cylenders instead of 8 - 1991 Cadillac DeVille

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  • bronson martin
    bronson martin Nov 29, 2016

    we are talking about holden jackaroo 4 cylinders and v6s not cadillac deville



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The 8 cyclinder engine is one of the best you will get, forget about all the rest,so this puzzles me,what makes you think this engine is on 4 cyclinders because it should not start on 4,you are not telling me the full story,what happened what was the org problem,please come back to me as this is a new one on me.adrian

Posted on Sep 08, 2010

  • bronson martin
    bronson martin Nov 29, 2016

    my problem is it wont run on fuel i check the fuel filter and the fuel line to the pump but no sign of fuel coming out when the ingestion on



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Running on 4 cylenders instead of 8. already replaced brain ,checked injecters for pulse and not all pulse

We check injectors with a needle stethoscope to locate the bad one. After we use injectors check lamp, (it is not costly and you can buy on line). If the light pulse, we replace the injector. If not then is an electrical problem. If you will replace the injectors please, buy original one from Cadillac Dealer, they are expensive. I bought aftermarket for north star engine, they were bad, and I bought again the original one. No more problems with injectors. Mine is a Cadillac Seville SLS. Hope will help.

Sep 08, 2010 | 1991 Cadillac DeVille

1 Answer

Hi, I have a Chevy TAhoe 2007 LS, 5.3 liter, 350 BHP, V8 vortec. Its a fantastic car. However fuel is getting horribly expensive where i live and i was wondering if there is a way to re-program the chevy...

Considering the size and weight of the Tahoe, running on 4 cylinders would be less fuel efficient then running on all 8. Its like having one horse pull a cart instead of two, sure it takes more hay to feed two horses but combine they work a lot less to get the job done. I can't image running a Tahoe on a 4cyl engine, the acceleration would take donkeys years to get up to speed, it would be struggling and working its guts out to get anywhere with that minimal horsepower. I think your best bet, dump the Tahoe and get something smaller and more efficient. Owning a SUV these days is like owning a very hungry horse, it needs to be fed if you want to use it. If you can't afford the fuel its using its time to put it to pasture and get something else! The 5.3L is a gas guzzler, just how it is, i haven't seen one yet that did better then 15-18mpg on the highway, and thats usually at the top of their range under ideal conditions. Your probably better off with something smaller with a V6 or even an inline 4. But your not going to fix your issues by crippling the Tahoe.

May 04, 2017 | 2007 Chevrolet Tahoe

1 Answer

Is 158,000 miles bad for it?

Quite a bit of mileage on a 4 cylinder I would say
If running great now I would try and sell it before the engine goes out. 4 cylenders do not last as long as a 6 or an 8 cylinder for there small size and running temperature is the same as ALL other engines. Since the engine is small the engine gets hot quicker than the others

Jun 18, 2010 | 1998 Pontiac Sunfire

1 Answer

Can u tell me if cylenders on a 1980 chevy 350 5.7 are 1 3 5 7 on driver side and 2 4 6 8 are on passenger side. I put new plug wires on and old wires were not in that order but yet the truck runs fine but...

You have the numbers right but the actual firing order is 18436572 likely why they are in what appears to be a "different order" That order is how the wires are connected at the cap. # 8 will be the one after #1 in the direction the rotor turns etc.

Apr 15, 2010 | 1994 Chevrolet C1500

2 Answers

Cylender order for spark plug wires

5.0L HO Firing Order: 1-3-7-2-6-5-4-8
4.6L Firing Order: 1-3-7-2-6-5-4-8
3.8L Firing Order: 1-4-2-5-3-6
2.3L Firing Order: 1-3-4-2

If you need a diagram, follwo this link...

Nov 18, 2009 | 2006 Ford Mustang

1 Answer

Change key cylender on 93 bronco

You need to remove the Steering wheel.
Remove trim shrounds.
Set ignition switch to Run position.
If your vehicle is A/T trans. put the selector lever in Park.
You will see retaining pin. Push retaining pin inward and pull out the lock cylinder.
Unplug wire from lock cylinder.
To install reverse remove procedure.

NOTE'' If you don't have the key or the cylinder is locked.
Instead of push the retaining pin you will need to Drill with a
1/8 in ( 3.17mm) Bit to drill out the retaining pin.
Be careful DO NOT drill more than 1/2 in deep.
After you need a chisel to break away the cylinder cap.
You need a 3/8in (9.52mm) bit to Drill in center of the cylinder.
Drill aprox. 1 3/4 in( 44mm) Deep.
REmove metal shavings. And remove the cylinder.
Clean and lubricate the gear inside. and install the new cylinder

Apr 29, 2009 | 1993 Ford Bronco

1 Answer

Need firing order for 4.6 ford

Firing order is 13726548 coil packs are laid out standing in front of the engine

6 3 7 2
1 5 4 8

Cylinder's are numbered

4 8
3 7
2 6
1 5

Apr 08, 2009 | 1997 Ford F150 Regular Cab

1 Answer

Ignition ccoil replacement 4 and 6

the last number in a po30 code is the cylender with the missfire. you say you have po306 and po302 which means #6 and#2 are missfiring. if you stand in front of car the passenger side has 1 through 4 cylenders starting with # 1 in front and # 4 in rear and driver side has 5 through 8 starting with # 5 in front and # 8 in rear. passenger side 1 2 3 4 - driver side 5 6 7 8. if you have indavidual coils on each plug then just unplug the coil and take the single 7mm screw out that holds it in place and the coil will come straight up off the plug

Jan 19, 2009 | 1999 Mercury Grand Marquis

2 Answers

I have 6 that runs on 4

Do a balance test on the injectors. Unplug the injectors one by one. You'll be able to remove an injector plug and nothing will change with the way it runs. That particular one is having the problem. Replace that injector. You may have 2 bad.

Aug 17, 2008 | 1993 Oldsmobile Cutlass Supreme

1 Answer



Depends on whether your Tribute has the 4cylinder or a V-6.

4 cylinder - standing at front of vehicle, #4 would be right most;
V-6 standing at front of vehicle, #4 would be left most on the bank closest to front.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 07, 2008 | 2001 Mazda Tribute

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