Topic: damn truck wont fire

[funnrunner51]

went to go to work today tried to start her and all she did was crank over and over. my first thought was ah shoot fuel pump, but then i herd it running. so i checked the coil got one spark out of it and that was it. reconected it then pulled a sparkplug wire off put a plug in it and checked it, and again just one spark right off the bat then thothing. oh yea its a 90 4runner with a 3.0. please help its my daily driver

[junya92toy]

Coil or ignitor

[toyodaaddict]

I went through hell trying to solve my ignition problem (22R) acted very similar to what you describe turned out to be the signal generator in the distributor. just another idea

[funnrunner51 [OP]]

well start at the cheapest part first is what i was always told. so took the cap and rotor off they were pretty dirty, whent to kragen got a new ones, installed, truck fired rite up. now lets just hope that was the problem.

[kneedownnate]

well start at the cheapest part first is what i was always told.

Trouble shoot and find an actual problem before wasting money is what I was.  Much better to have insight into how everything works later on than just be a parts changer 

[funnrunner51 [OP]]

well i trouble shot the coil and that wasnt it but so the cap and rotor was needed anyhow so i changed them and just lucked out i guess

[gtoyonrocks]

Glad to hear you got it going.

[funnrunner51 [OP]]

OK new problem now. after a couple of days, now its hard to start and is lacking allot of power, maybe the cat is plugged? would it throw a coed? the cat is stinking a little more then normal.

[motormouth559]

does it glow red hot if so its plugged, is there any way you can unbolt your cat and run it for a short time to see if it makes a difference ? hope you fix it bud

[twistedtoy92]

i hate cats....

[funnrunner51 [OP]]

well cant tell if it is glowing. the truck also likes to idle low lately and even dies sometimes at stop lights if i just roll up to them in neutral