What should i do to solve a misfire problem on cylinder 4. Plugs have been changed. I replaced #4 plug, same problem

20

Asked by Aug 03, 2014 at 10:46 PM about the 1996 Buick LeSabre Limited

Question type: Maintenance & Repair

I have a skip on the #4 cylinder after changing the crankcase sensor.  I removed the balance bolt with engine power and disconnected a couple of plugs to prevent the engine from starting.

7 Answers

107,365

http://www.obd-codes.com/p0304 -- check this out for possible causes and solutions.

3 out of 3 people think this is helpful.
8,855

have you tried checking the coil pack and wires? you most likely have a bad wire or coil firing for that cylinder

20

I purchased some wires today, changed that wire, now i'm ready to outrun the state patrol. IT WAS THAT WIRE, THANK GOODNESS

2 out of 2 people think this is helpful.
107,365

That's great. Glad you got it. Drive safe

8,855

always the little things in life ^.^

I have a 1996 Buick LeSabre 3800 motor and it's misfiring on num.5 cylinder. I changed the coil and spark plug wire still doing the same thing... Wants to die at a light and or rough idling etc....And I changed the fuel solenoid what's my next resolvement .......

8,855

have you tried puting in a new spark plug? they can some times foul out after 60,000 km of use.

Your Answer

Add photo

Related Questions

  • What could be the problem with my car?? 5 answers

    Ok. I have this buick with so many problems it seems. Recently the check engine light has been on. I had the catalytic converter taken off and just had a straight pipe ran, i changed the egr valve, ...

    1990 Buick LeSabre Custom Sedan

    -

    Maintenance & Repair

  • electric short? 2 answers

    My 99 buick lasa be keeps shorting out the bottom coil pack I replaced all coil packs,module plugs and wires the car is running on 4 of 6 cylinder any ideas where the short could be

    1999 Buick LeSabre Limited

    -

    Maintenance & Repair

  • my auto scanner PO305, backfire #5 cylinder, fix ? 1 answer

    how do repair this reading? like replace O2 sensor or complete tune-up. 1999 Buick LeSaber CU + 100K miles

    1999 Buick LeSabre Limited

    -

    Maintenance & Repair

  • Where can I find the computer on a 1989 Buick LeSabre? 47 answers

    I have a 1989 Buick LeSabre that stalls out while in motion. Seems to happen when a part gets too hot. After sitting for awhile, I can drive for awhile again. Assume it is the Computer or the Catalyt...

    1989 Buick LeSabre

    -

    Maintenance & Repair

  • I replaced all the spark plugs and wires on my 98 buick regal 6 cyl and it will turn over, but it will not start 2 answers

    I have fire coming from all the spark plugs, wires and all 3 coil packs, but it will not start...What is the problem ?

    1998 Buick Regal 4 Dr GS Supercharged Sedan

    -

    Maintenance & Repair

LeSabre

Looking for a Used LeSabre in your area?

CarGurus has 1,998 nationwide LeSabre listings starting at $1,588.

ZIP:

Search Buick LeSabre Questions

Buick LeSabre Experts

#1 Tom Demyan
Tom Demyan
Reputation 2,030
#2 John Saffrahn
John Saffrahn
Reputation 1,700
#3 Austin Gaboda
Austin Gaboda
Reputation 1,370
View All

Related Models For Sale

Used Buick Park Avenue
446 listings starting at $3,500
Used Chevrolet Impala
596 Great Deals out of 29,130 listings starting at $1,300
Used Buick Century
868 listings starting at $2,700
Used Buick Regal
101 Great Deals out of 10,259 listings starting at $3,495
Used Honda Accord
739 Great Deals out of 82,781 listings starting at $500
Used Lincoln Town Car
28 Great Deals out of 1,823 listings starting at $1,650
Used Nissan Altima
803 Great Deals out of 78,278 listings starting at $470
Used Cadillac DeVille
7 Great Deals out of 1,598 listings starting at $2,000
Used Toyota Camry
884 Great Deals out of 92,128 listings starting at $1,300
Used Mercury Grand Marquis
27 Great Deals out of 1,821 listings starting at $500
Used Ford Taurus
193 Great Deals out of 19,339 listings starting at $500
Used Pontiac Grand Prix
23 Great Deals out of 2,896 listings starting at $879

Used Cars For Sale

2005 Buick LeSabre Limited For Sale
3 Great Deals out of 91 listings starting at $2,700
2004 Buick LeSabre Limited For Sale
118 listings starting at $1,588