Top 10 Problems with a 7.3 ??
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Papa Smurf
Joined: Nov 2009
Posts: 1,080
Likes: 204
From: Woodstock, GA
Top 10 Problems with a 7.3 ??
Since my truck is getting fairly old, I thought I'd ask " What are the most common components to fail on a 7.3 engine ?
I've heard that nowadays, shops even have a computer program that tells them what the most common repairs on a vehicle are, so they can check those items...
My truck is stock, so lets not get into any mod failures...
I'm slowly working through all the little things that may go wrong, as this truck is 15 years old, with 427,000 miles.
Thoughts ?
I've heard that nowadays, shops even have a computer program that tells them what the most common repairs on a vehicle are, so they can check those items...
My truck is stock, so lets not get into any mod failures...
I'm slowly working through all the little things that may go wrong, as this truck is 15 years old, with 427,000 miles.
Thoughts ?
Fleet Mechanic
Joined: Nov 2006
Posts: 1,952
Likes: 1
From: Knoxville, TN
Since my truck is getting fairly old, I thought I'd ask " What are the most common components to fail on a 7.3 engine ?
I've heard that nowadays, shops even have a computer program that tells them what the most common repairs on a vehicle are, so they can check those items...
My truck is stock, so lets not get into any mod failures...
I'm slowly working through all the little things that may go wrong, as this truck is 15 years old, with 472,000 miles.
Thoughts ?
I've heard that nowadays, shops even have a computer program that tells them what the most common repairs on a vehicle are, so they can check those items...
My truck is stock, so lets not get into any mod failures...
I'm slowly working through all the little things that may go wrong, as this truck is 15 years old, with 472,000 miles.
Thoughts ?
#1 CPS
#2 Fuel bowl o-rings
#3 dip stick adapter/oil pan rust
Injector O-rings
Oil cooler orings
banjo bolt o-rings
oil galley rail plug o-rings
Turbo's need rebuilt
Injectors wear out
HPOP
belts & Hoses (including HPOP hoses and fuel bowl hoses)-maybe?
I would say those are the top 11 I have seen...
Junior User
Joined: Jul 2006
Posts: 62
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I have only had my 1995 7.3 for about 2 years. In that time, I have replaced the glowplug relay, two glowplugs, two valvecover gaskets (connectors were melted), the exhaust backpressure sensor, and one IDM.
The glowplug relay, glowplug, and valvecover failures only made it hard to start.
The exhaust backpressure sensor failure did not really seem to affect anything other than that there would be a DTC for it.
The IDM failure stopped me dead in my tracks while on the road.
Behind the backseat, I now carry a spare IDM, CPS, IPR, and ICP.
I also decided that it was a good idea to keep a good ELC coolant in the engine.
The glowplug relay, glowplug, and valvecover failures only made it hard to start.
The exhaust backpressure sensor failure did not really seem to affect anything other than that there would be a DTC for it.
The IDM failure stopped me dead in my tracks while on the road.
Behind the backseat, I now carry a spare IDM, CPS, IPR, and ICP.
I also decided that it was a good idea to keep a good ELC coolant in the engine.
Thread Starter
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Papa Smurf
Joined: Nov 2009
Posts: 1,080
Likes: 204
From: Woodstock, GA
Actually had a 1995, crew cab Dually, 7.3... gave it up for the 2001, as it just wasn't a truck to take to the mountains... it had 495,000 miles.... and nothing really wrong with it.
Logistics Pro
Joined: Mar 2007
Posts: 4,580
Likes: 838
From: knoxville, tn
from my limited experience, the small things already listed are what I keep an eye on. Most of which can be headed off with good maintenance. The CPS and IDM are definitely 2 that when they take a dirt nap then you are pretty much out of luck until you get a new one.
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MoBill - I am curious why your '95 dually was not the truck to take to the mountains. I ask this because I just returned from a trip to Pigeon Forge, Tennessee, and was very pleased with the performance of my '95 dually through the Smoky Mountains. If I had driven it through a particular 11 mile stretch of 129, it might not have been so ideal, but other than that, it seemed to suit my purpose of pulling an enclosed motorcycle trailer effortlessly.
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Thread Starter
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Papa Smurf
Joined: Nov 2009
Posts: 1,080
Likes: 204
From: Woodstock, GA
MoBill - I am curious why your '95 dually was not the truck to take to the mountains. I ask this because I just returned from a trip to Pigeon Forge, Tennessee, and was very pleased with the performance of my '95 dually through the Smoky Mountains. If I had driven it through a particular 11 mile stretch of 129, it might not have been so ideal, but other than that, it seemed to suit my purpose of pulling an enclosed motorcycle trailer effortlessly.
Loved the 95 truck, but the F250 was much better suited for the woods. Besides the fact I bought the 2001 at a Bank sale for only $7000 in 2009 and wife wouldn't let me keep both of them...
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