• Welcome Visitor! Please take a few seconds and Register for our forum. Even if you don't want to post, you can still 'Like' and react to posts.

Missing and Dying


smaug6

New Member
Joined
Apr 5, 2008
Messages
6
Reaction score
0
Points
0
Vehicle Year
1986
Make / Model
ford
Transmission
Automatic
I have an 86 2.9L Bronco II 4x4 which has started dying and missing as I drive usually at highway speeds. Any ideas about what causes this would be appreciated. :icon_confused:
 


hopster

hopster

Member
Ford Technician
TRS 20th Anniversary
Joined
Sep 10, 2008
Messages
420
Reaction score
9
Points
18
Location
Bedford, IN
Vehicle Year
1990,1989
Make / Model
Ford
Engine Size
2.9, 4.0, 5.0 can't decide
Transmission
Manual
I just experienced this on my truck I hooked up a fuel pressure gauge and noticed the fuel pressure dropping. that would be a good place to start. If that doesnt work check your ignition system.
 

thunderbuggy

New Member
Joined
Jan 17, 2009
Messages
7
Reaction score
0
Points
0
Location
Idaho
Vehicle Year
1986
Make / Model
ford
Engine Size
2.9
Transmission
Manual
I had a similar problem w/my 86. I am an idiot so I did what we usually do and just started replacing parts. I started with the tfi module, then the high pressure fuel pump under the D/S frame rail and it turns out I overlooked a simple little wire that hooks up to the battery terminal. IT was frayed and nasty and only had two wires intact inside the casing so when it was wiggled just right it would run fine then when I hit a bump or crossed an intersection it would either just die, or miss and then die. As I was cussing and leaning in to try and find the problem I would lay an elbow or something on the wire which would make it connect back up and then the next time I hit the key, the damn thing would fire. It cost me much more than just a wire to finally figure it out but hey, I now have a sh*tload of new parts on it that will not go bad for a while.
 
You must log in or register to reply here.

Sponsored Ad


Sponsored Ad

Staff online

Members online

Total: 867 (members: 12, guests: 855)

Member & Vendor Upgrades

For a small yearly donation, you can support this forum and receive a 'Supporting Member' banner, or become a 'Supporting Vendor' and promote your products here. Click the banner to find out how.

Latest posts

Truck of The Month


Shran
April Truck of The Month

Recently Featured

Want to see your truck here? Share your photos and details in the forum.

Follow TRS On Instagram

Latest Album Photos

Medicine and health
Hunters
20240409_190831.jpg
20240409_190818.jpg
20240409_180824.jpg
20240409_182648.jpg
20240409_181010.jpg
20240408_175026.jpg
99 Ranger
20200706_161414.jpg
20240207_155117.jpg
20240207_155111.jpg

TRS Events

25th Anniversary Sponsors

Check Out The TRS Store


Sponsored Ad


Sponsored Ad

Sponsored Ad


Amazon Deals

Top