1998 S10 V6 , No start after sitting overnight.

[1966 BIG BLOCK]

My S10 V6 would not start one mourning , since I had filled up tank the day before I changed the fuel filter, ran great 2 days & then would not start ( damp mourning)......I disconnect fuel line to check fuel pump >> pleanty of fuel flow, reconected, started & ran great 2 days then again ( damp morning ) no start, Cleaned TBI , New air filter ....... put back together ran great 2 days >>EEEEK, no start in mourning again........ took a good look with power full light & discoverd mouse nest around base of distributer........vacummed area, checked tightness of electrical connections & wires didnt have any apparent chewing damage. turned key started ran great 2 days >> Ssame senerio no start in mourning . tried spraying quick start, didnt work didnt even try to fire up. I think problem is electrical or fuel pressure relay or stuck poppet causing fuel to leak down Engine 98 V6 Vortech TBI , has 73k miles I am original owner, any ideas ? OR diagnosis

[blazes9395]

Have spark plug wires been looked at recently, or more importantly, the distributor cap and rotor. In my opinion, replace the cap and rotor with a AC Delco, no t a cheap one and see what happens. Many people on here have been having a problem with no starts and eventually cap and rotor causing a ton of headaches.

Oh and by the way, welcome to AF...

[1966 BIG BLOCK]

I agree as i am original owner she has 75 k miles time for plugs etc. I think S10 problem is one of the electrical / sensors / gizmos & not fuel related ,& on top of engine ....she wouldnt start this moiurning i put the hood up & wiggled every electrical connection & weather pack ( connectors ) she staretd right up went on the highway to 75 mph ran great..tomorrow if she dosent start again will deal with each segment jiggle & try to start maybee by trial & error will find culprit..will advise further....

[Kris_kayton_666]

check the connections to the coil pack, i had similar problems with a 95 jeep(it wasent mine) but still somthing else to start off with

[muddog321]

I'd look closer at the wires for where the mouse did chew the insulation and probably a short - feel along the wires in the hard to reach places and there are wires behind the dist for the oil pressure and dist to ECM and coil.

[1966 BIG BLOCK]

AMENDUM..The no start is always first thing in the mourning , & damp or wet mournings.....when runs runs great all day , If i wiggle the multiple connections on top of engine & then turn key she starts .seems something is loose electically nect time she will bot stsar will wiggle & ytap each connection individually & see if by process of eliminatoion i can isolat........however going to NAPPA getting cap / rotor & new engine wires as well as spark plugs have never been changed in 75 k miles

[1966 BIG BLOCK]

Installed new cap ,roter, plugs & wires. Significant corrosion within cap..plugs grungy & the center electrodes worn, resulting in gap over .65

Question where is ignition module located ? 1998 S10 V6 4.3L ,vin code X .

[muddog321]

98 up is next to the coil - rarely the problem - check wires to it from the coil.

[badassblazer91]

on our gran pix we had the exact same sypmtoms ended up being the coil pack and we replaced that at 20 dollars a pop for 3 of em and it fixed it but good luck

[TomB985]

Good thought, but most of the time if its a coil problem, the problem will get worse as the engine warms up

[badassblazer91]

not on ous cuz it was the moisture getting them it got better as it got hot cuz it dried out