Rough Idle/Stalling

Asked by Jan 21, 2016 at 09:24 PM about the 1993 Chevrolet C/K 1500 Silverado Standard Cab SB 4WD

Question type: Maintenance & Repair

***NOVICE***

Hey I've got a 93 K1500 5.0 V8. Started idling rough about a week ago,
would sometimes stall at stop lights. RPM would drop as low as 500.
Replaced the fuel filter at the suggestion of a knowledgeable friend, didnt
solve the problem.

Two days ago I had a no start situation. Engine would crank, but no start.
Fuel pump seems to be working. When put into accessory mode the FP
relay clicks, the fuel pump can be heard humming through the gas cap.

Today It managed to start. But it only runs for about a minute before she
dies. There's what I think is blue smoke. Its rich smelling, almost sweet?
Checked the spark plugs, and there's oil on them. Am I trending in the right
direction? Is this a situation that can be rectified by replacing seals and all
spark plugs?

Bear in mind I'm quite green to all things automotive, I hope y'all can bear
with me so I can get my baby back on the road.

Thanks

4 Answers

57,155

Oil on plugs is not good. How many miles on the engine? The sweet smell makes me wonder if you are getting coolant into the engine via a bad head gasket.

1 out of 1 people think this is helpful.

245k, around 152,000 miles

57,155

Check to see if you are getting water in the engine oil or oil in the coolant. If the truck has white smoke when running the problem could be a leaking head gasket.

Yep, white/grey smoke. There seems to be coolant in the oil, but its a little tough to tell since the coolant is a bit old.

Your Answer

Add photo

Related Questions

  • Idleing rough 2 answers

    I have 1999 chevy silverado with 5.7. Motor runs smooth until you come to a stop. The idle drops to barely running and is rough. Take off and runs well. Why is it running rough at a stop

    1999 Chevrolet C/K 1500 LS 4WD

    -

    Maintenance & Repair

  • Rough idle smoke from exhaust 1 answer

    I have a 98 Chevrolet Silverado k1500 5.7 liter 350 engine I have done so much work into it it has a new fuel pump Gas tank new valve cover gaskets new intake gaskets new radiator a new water pump ...

    1998 Chevrolet C/K 1500 Silverado Extended Cab Stepside SB 4WD

    -

    Maintenance & Repair

  • Drop in Idle and/or stall when gas released 5 answers

    I have been working on our 89 Chevy K1500 and am still having an idle issue. The truck idle drops and lopes and occasionally completely stalls. This usually happens when driving slow in town... backi...

    1989 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • 96 1500k rough idle 1 answer

    rough idle recent new distributor good power smooths out above 1500 rpm

    Chevrolet C/K 1500

    -

    Maintenance & Repair

  • Rough idle, stalling, shifting hard 2 answers

    I have a 2002 cavalier. The traction off light come on, had a rough idle, when accelerating quickly rpm would increase and the transmission wouldn't shift (but accelerating slowly it shift fine)....

    2002 Chevrolet Cavalier Base Coupe

    -

    Maintenance & Repair

C/K 1500

Looking for a Used C/K 1500 in your area?

CarGurus has 878 nationwide C/K 1500 listings starting at $2,500.

ZIP:

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 3,230
#2 John Saffrahn
John Saffrahn
Reputation 2,480
#3 Rowefast
Rowefast
Reputation 1,970
View All

Related Models For Sale

Used GMC Sierra 1500
795 Great Deals out of 67,170 listings starting at $2,700
Used Ford F-150
2,251 Great Deals out of 209,704 listings starting at $1,499
Used Chevrolet C/K 2500
218 listings starting at $8,999
Used Dodge Ram 1500
448 Great Deals out of 11,375 listings starting at $700
Used Chevrolet Camaro
146 Great Deals out of 32,614 listings starting at $1,729
Used Chevrolet C/K 3500
254 listings starting at $3,550
Used Chevrolet S-10
8 Great Deals out of 1,356 listings starting at $1,595
Used Dodge Ram 2500
136 Great Deals out of 5,325 listings starting at $2,500