1988 wont start

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Apr 18, 2025 | 12:08 PM

john72ss

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Mountain Pass

Joined: Aug 2003

Posts: 226

Likes: 8

From: southwest washington (th

1988 wont start

1988 2.9 turns over fine but wont start? ideas?

Apr 18, 2025 | 12:37 PM

BareBonesXL

Fleet Mechanic

Joined: Jun 2023

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From: WA

Apr 18, 2025 | 12:44 PM

john72ss

Thread Starter

Mountain Pass

Joined: Aug 2003

Posts: 226

Likes: 8

From: southwest washington (th

nope tank is half full.

Apr 18, 2025 | 01:07 PM

BareBonesXL

Fleet Mechanic

Joined: Jun 2023

Posts: 1,373

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From: WA

Bad coil.

Seriously, the only clue you gave is "won't start". There's a page worth of "ideas" out here, easily. Provide some details and improve your odds. Good luck.

Apr 18, 2025 | 01:13 PM

G2IC_Wraith

Fleet Mechanic

Joined: Dec 2003

Posts: 1,436

Likes: 117

From: Virginia

You may have fuel in the tank, but are you sure it is full pressure at the rail?
Have you checked if the fuel filter is clogged up?
Are you sure you are getting spark from the coil packs?
If they aren't getting power to them none of them will have spark.

Sounds dumb, but make sure you have a clear intake path.
Critters like to build nests that can block the air flow.

Aside from that, BareBonesXL pointed out there isn't much info you gave us to go on.

Apr 18, 2025 | 02:01 PM

john72ss

Thread Starter

Mountain Pass

Joined: Aug 2003

Posts: 226

Likes: 8

From: southwest washington (th

the fuel filter and pumps have been replaced about 8 years ago less than 20,000 miles it does have spark

Apr 18, 2025 | 03:54 PM

BareBonesXL

Fleet Mechanic

Joined: Jun 2023

Posts: 1,373

Likes: 382

From: WA

No power to the injectors.

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Apr 19, 2025 | 12:23 PM

john72ss

Thread Starter

Mountain Pass

Joined: Aug 2003

Posts: 226

Likes: 8

From: southwest washington (th

i never did see that cut off switch. truck has 426,000 miles on it.

May 24, 2025 | 11:25 AM

#10

john72ss

Thread Starter

Mountain Pass

Joined: Aug 2003

Posts: 226

Likes: 8

From: southwest washington (th

no coil packs just one old fashioned coil and i do get spark i cant believe the 5 year old fuel pumps would go bad??? the originals went 25 years? gonna try a starting fuild can today. i need it back on the road.