Engine misfire

Asked by Mar 14, 2016 at 06:24 AM about the 1990 Ford F-150 STD 4WD SB

Question type: Maintenance & Repair

At first I would die no fire replace coil.
distributor.plugs wires computer working harness
know it will misfire tach goes crazy .turn off
ignition restart runs fine.. Helppp

1 Answer

58,425

When the tack jumps around usually a bad ground wire. Check and clean all ground wires. May also have some bad spark plug wires, or a bad connection with the ignition wires. Make sure there are no breaks in the ignition wiring in the insulation for bare wire to be touching ground.

Your Answer

Add photo

Related Questions

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 7,220
#2 dandyoun
dandyoun
Reputation 4,260
#3 tennisshoes
tennisshoes
Reputation 2,590
View All

Related Models For Sale

Used GMC Sierra 1500
876 Great Deals out of 64,409 listings starting at $1,500
Used Ford Mustang
318 Great Deals out of 45,523 listings starting at $2,000
Used Ford F-250
487 listings starting at $3,975
Used Ford Explorer
732 Great Deals out of 74,284 listings starting at $750
Used Ford Ranger
177 Great Deals out of 6,201 listings starting at $1,300

Used Cars For Sale

2017 Ford F-150 For Sale
3 Great Deals out of 116,980 listings starting at $18,299
2016 Ford F-150 For Sale
151 Great Deals out of 29,152 listings starting at $17,877
2015 Ford F-150 For Sale
190 Great Deals out of 7,229 listings starting at $11,600
2014 Ford F-150 For Sale
438 Great Deals out of 12,254 listings starting at $9,995