Ford - Expedition :: Engine Cold - Fires Right Up / Engine Hot - Won't Fire Right Up


Jun 6, 2014

I have a 1999 Ford Expedition with a 4.6L V8, 192K miles. Just replaced spark plugs, wires, and fuel filter. For the last 50K miles or so, it demonstrates the following starting problem:

Engine cold - fires right up.
Engine hot, turned off for a few minutes - fires right back up.
Engine hot, turned off for approximately an hour - won't fire right up (engine turns over same as always but takes several attempts to start).

What is happening and how to repair it?

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Having an issue with my 2007 Santa Fe 3.3L. When the engine is cold, been sitting for a few hours not when the temp outside is cold, it takes about 5 to 8 cranks before the engine will fire. I can then shut it off immediately and start it again and it will fire right up.

I currently have the P0464, P0463 and P2068 check engine error codes for the fuel level sensor units. I don't really know if these are directly related as I've had them for about 6 months and the starting issue has just shown up the last month or so. Plus, I would assume these should only be related to sending fuel level information to the fuel gauge. Either way, I'm still leaning toward a fuel delivery issue since it only has a hard time starting when the car has been sitting for a few hours. I don't know if maybe it's the fuel pump or a electrical component. If it's the fuel pump, I'd like to do that when I take care of the sending units so I don't have to go back in. I've tried turning the car to the 'on" position for about 10 seconds without starting it to see if I could get the pump to load the line, if that's the issue, but it doesn't seem to make a difference.

The battery is good. It tested 12.5v after sitting over night.

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1986 ford f150 standard cab, manual trans with 3 plus overdrive.

1989 302 rebuild v8. When trying to start occasionally the ignition continues to turn over..

Even after the engine fires, the starter continues to turn over until I have to disconnect the battery to stop it. Then it fires up fine afterwards what could the problem be.

I'm thinking the starter, or the ignition switch but I also heard it could be the starter solenoid.

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I have a 2010 euro spec GTI DSG with 140.000 km (86.000 miles)

The problems i have..

- Rough vibrations.
- The car starts quick but there is big jolt when the engine fires, shifts or turns of.

What has been done to the car

**New mechatronic 30.000 km ago (replaced with new revision on warranty)
** Oil , filter , plugs
** Carbon cleaning by myself yesterday
** DSG calibration done
** No errors codes

I am thinking its mounts to the engine or transmission? Other things I am thinking of ...

- Coils packs?
- PCV?
- MAF?

The car is little low on power as it struggle on uphills on low speed, but much better after carbon cleaning.

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To refill the system I open the breather on the rad and slowly replaced all the fluid. I also refilled the petrol engine reservoir and put a drop in the inverter reservoir but that had not drained out. I reckon near enough the same amount went back in as came out. I read a post by Pat Wong and started the petrol engine in inspection mode and it seemed to run fine but just cut out after around 4-5 mins.

All along the VSC, ABS, yellow exclamation mark in circle and yellow square with sliding car in warning lights were on but not the big red triangle or yellow engine light. Also, the red exclamation in circle (handbrake?) will not go off. The inspection mode procedure still works but there seems a long delay with chirping sounds before the engine fires. It still runs fine but again cuts out after a few mins. Could it be shutting off due to brake/driveshaft issues or has air crept into the inverter? Maybe disconnecting the battery for five mins will reset the lights?

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The engine cranks over but does not start. Usually resolve it by sitting for 10 - 15 seconds then trying again. Sometimes have to do this two or three times before it fires. All other electrical items work ok and the battery has no problem powering accessories. I've had it into the dealer however because it is difficult to replicate, they have a hard time repairing the problem. The first time they neutralized the immobilizer and re-programmed it. The second time, I got a check engine light and they replaced the immobilizer. But the problem continues.

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I installed a fuse in the fuse box, which was empty when I purchased the car. And the engine instantly died. It did start up when the fuse was removed, and I drove it back across country. The idle got worse until it died and would not start back home.

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My 2003 ford expedition with the 4.6 v8 engine is having an issue i cant seem to pin point. The lights will get bright and then dim and the engine will die and I will lose power steering and brakes, it will start back up when i put it in park. Also while I am driving randomly the rpms will shoot up to between 3 and 4,000 rpms and go back down. I have seen a video on youtube that says the fuse box in this model is very likely to short out and ruin the circuit board. Mainly looking for any experience any of you have with a issue like this. The check engine light is on, Showing two codes for running too lean and a code for Idle air control valve. Mileage is 239,000 ...

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2: What all trannys will fit? this is the 2wd 5.4 liter xlt ...

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1) Leave the vehicle parked overnight - no issues starting. It starts right up.

2) Crank the vehicle after having only been off a few minutes (like after you run in to pick something up at the grocery store) it cranks right up.

3) Let the vehicle sit for between 1 and 4 or 5 hours and the problem appears. It turns over and over and over but won't actually start. Anywhere between the 3rd and 5th turn of the key it will finally catch and actually crank.

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Ignition, Coil,Wires,Plugs. Are these the only ignition parts to look at?

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Only thing that was done on truck was last Tuesday Ford did oil change.

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I replaced some injectors recently since they were bad and I had the truck parked facing downhill slightly when I did that. Since the repairs, the truck would start fine while parked there. Brought my trailer home and have the truck in the street on the flat ground and once again the 3 crank starts begin.

I have attached three Excel spreadsheets of my data from today. All three are the same data log just split up for size and elimination of dead time on the original spreadsheet.

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