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Search: Posts Made By: R&TBabich
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Forum: 5.4L
Yesterday, 06:20 PM
Replies: 4
Views: 409
Posted By R&TBabich

Just curious, because for the bigger picture it...

Just curious, because for the bigger picture it can matter.
It seems to me that on the older 2v engines the passenger side makes the "ticking" noise first and the passenger side guides are is worse...
Forum: 5.4L
Yesterday, 01:55 PM
Replies: 4
Views: 409
Posted By R&TBabich

"Left" - do you mean driver's side or...

"Left" - do you mean driver's side or passenger?
10-14-2018, 01:54 PM
Replies: 7
Views: 385
Posted By R&TBabich

Clean the MAF and check the IAC, if it has one.

Clean the MAF and check the IAC, if it has one.
10-13-2018, 03:06 AM
Replies: 6
Views: 312
Posted By R&TBabich

I had water getting under a misaligned firewall...

I had water getting under a misaligned firewall insulation panel and dripping onto #6 & #7.
Got a garden hose to flood the windshield to find out where it was dripping thru and after caulking to...
09-21-2018, 02:00 AM
Replies: 16
Views: 681
Posted By R&TBabich

Does it also feel like a misfire when going up a...

Does it also feel like a misfire when going up a hill?
You can have a lot of misfires before a code gets set.
The coils usually last a long time..
The boots can degrade and arc right thru a...
08-26-2018, 11:27 PM
Replies: 25
Views: 1,173
Posted By R&TBabich

Your plugs and AC are separate issues. The AC...

Your plugs and AC are separate issues.
The AC is going to be expensive, I just had the compressor replaced on our Exped, be sure to get the truck version of the compressor if yours came with it OEM....
08-17-2018, 01:32 AM
Replies: 2
Views: 397
Posted By R&TBabich

Also, when you activate the learn key fobs mode...

Also, when you activate the learn key fobs mode you can't just add one more.
If you have 2 and want to add a 3rd you have to do all 3 at the same time.
I think entering learn key fobs mode clears...
06-01-2018, 02:21 AM
Replies: 25
Views: 918
Posted By R&TBabich

The best way to tell if you have proper fuel...

The best way to tell if you have proper fuel pressure is to use a pressure gauge connected to the fuel test port or schrader valve on the fuel rail.
Harbor Freight has an adequate fuel pressure...
Forum: 5.4L
05-25-2018, 01:05 PM
Replies: 1
Views: 320
Posted By R&TBabich

[/left]If it was only bogging down it might be...

[/left]If it was only bogging down it might be the fuel pump or fuel filter.
Since it revs up high I would check the vacuum hoses, particularly the PCV hose near where it connects to the throttle...
02-26-2018, 02:03 AM
Replies: 21
Views: 1,119
Posted By R&TBabich

The keys contain a key code which is used to...

The keys contain a key code which is used to verify an authorized key is being used to start the engine.
OEM keys contain a key code which can't be changed.
New key blanks are available that have...
01-21-2018, 08:18 PM
Replies: 10
Views: 577
Posted By R&TBabich

You may not have had a bad coil. The boots...

You may not have had a bad coil.
The boots deteriorate long before the coils go bad.
I change plugs and boots at 50k.
Denso 671-0001 boots have worked well for me.
Changing plugs at 50k reduces...
01-21-2018, 06:22 PM
Replies: 10
Views: 577
Posted By R&TBabich

Years is not so important for ceramic and steel. ...

Years is not so important for ceramic and steel.
How many miles on those plugs?
Plastic and rubber parts do have issues with age.
I have 2 Explorers '92 & '93, both with 110-115k.
Interesting...
01-15-2018, 01:47 AM
Replies: 22
Views: 952
Posted By R&TBabich

It may not be the entire COP. The boot may be...

It may not be the entire COP.
The boot may be degraded.
The coils last a lot longer that the boots.
I've had good service with Denso 671-0001 boots.
How many miles on the COPs?
12-28-2017, 01:45 PM
Replies: 20
Views: 2,577
Posted By R&TBabich

Yes, an exhaust leak can throw one of these...

Yes, an exhaust leak can throw one of these codes, but probably only one.
Our 2002 5.4L Exped dual cat would throw only a P0171 a couple of min after startup from cold.
I have a broken exhaust stud...
12-22-2017, 04:53 PM
Replies: 24
Views: 1,832
Posted By R&TBabich

The fuel pump will be turned on for a couple of...

The fuel pump will be turned on for a couple of seconds after Run is selected to pressurize the fuel rails.
It will not be turned on again until the PCM "sees" the engine turning with the crankshaft...
12-18-2017, 10:15 PM
Replies: 5
Views: 671
Posted By R&TBabich

First thing I would do is hook up a fuel pressure...

First thing I would do is hook up a fuel pressure gauge and find out what it's doing.
An intermittent fuel pump motor can cause your symptoms or other things.
Some testing will help narrow things...
Forum: 5.4L
12-17-2017, 09:21 PM
Replies: 2
Views: 371
Posted By R&TBabich

I would first check what's happening with the...

I would first check what's happening with the fuel pressure during all this.
Harbor Freight has an adequate fuel pressure gauge, #62623, for $20.
This would narrow down the troubleshooting a bit....
12-14-2017, 01:57 PM
Replies: 24
Views: 1,832
Posted By R&TBabich

There is nothing "wrong" with connecting a...

There is nothing "wrong" with connecting a battery charger without disconnecting the battery.
Once an engine is running the alternator is a battery charger.
If one of my vehicles is not going to...
12-04-2017, 03:13 PM
Replies: 4
Views: 332
Posted By R&TBabich

It's probably the fuel pump, but I would check...

It's probably the fuel pump, but I would check the fuel pressure at the test port of the fuel injector rail.
Harbor Freight has an adequate fuel pressure tester, #62623, for $20 (less with coupon)....
11-03-2017, 11:36 AM
Replies: 61
Views: 3,698
Posted By R&TBabich

You might check out the heater cutoff valve if...

You might check out the heater cutoff valve if you have one.
The valve is vacuum activated when A/C is selected, but even though the arm moves the valve may be stuck/clogged.
There is sometimes a...
10-27-2017, 06:28 PM
Replies: 2
Views: 225
Posted By R&TBabich

Can you change the heat control from defrost to...

Can you change the heat control from defrost to vents?
All vehicles have the fail mode where the heat will go to defrost the windshield.
If you have a vacuum controlled vent door and the vent door...
10-23-2017, 02:50 PM
Replies: 39
Views: 2,507
Posted By R&TBabich

When were the plugs last changed? If you are...

When were the plugs last changed?
If you are feeling misfires then there is Mode 6 data that can be accessed.
There are probably not enough consistent misfires to set a code, yet.
You will need a...
10-22-2017, 07:01 PM
Replies: 2
Views: 192
Posted By R&TBabich

Just to clarify, the fuel pump will only run for...

Just to clarify, the fuel pump will only run for a couple of seconds when the ignition switch is turned to Run to prime the fuel rails, then is turned off.
The pump will be turned on again when...
10-20-2017, 02:30 AM
Replies: 20
Views: 2,577
Posted By R&TBabich

A leak in the exhaust can cause a P0171 or P0174...

A leak in the exhaust can cause a P0171 or P0174 code.
Do you have any broken exhaust manifold studs?
Tighten the exhaust pipe to manifold nuts.
I had a P0171 that would get set and found the...
Forum: 5.4L
10-16-2017, 05:11 PM
Replies: 6
Views: 5,098
Posted By R&TBabich

The 5 sec in 3rd is using manual throttle. On a...

The 5 sec in 3rd is using manual throttle.
On a moderately steep grade where it needs to go into 2nd the cruise control will downshift into 3rd for a bit and disengage before going into 2nd.
If the...
Showing results 1 to 25 of 135
 


 
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