Stalls after about 25 miles after start up , starts right back up runs good will stall again
SOURCE: 1999 mercury cougar will not start has power
turn the key and listen for the fuel pump to kick on
SOURCE: Mercury Topaz loses power while driving, and stalls out
Check fuel pressure. Sounds like a bad pump or plugged fuel filter.
SOURCE: my 2000 Mercury Cougar starts ok then after a few
I have the same car. Same problem. We replaced the fuse box and it fixed the problem. But here we are 6 months later and the problem came back. So for a quick fix you can replace the fuse box. I'll let you know what the real problem is when i get it to the dealer.
SOURCE: Car starts,runs for a few minutes and stalls.
It could be the TFI (thick film ignition) ignition module on the distributor. When it restarts warm, but dies right away, it has a cranking circuit to initially fire the engine. After that, it switches to run mode, which may be be the problem circuit. Often times, when you take the cover off a bad module, it will have a bubble in the jell where the open circuit has heated up. Heat is the enemy of all electrical components and when they get warm is when the problems show up. This is my first guess. If you have access to a fuel pressure gauge, you can hook it to the pressure tap on the fuel rail and watch for a drop in pressure. It needs around 40 psi to run. Even a clogged fuel filter causing low pressure and flow can shut you down, but it shouldn't run good cold in that case either since fuel demand is higher on cold start. I hope this points you in the right direction. If not, I'd be glad to continue assisting your diagnosis.
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no check engine light runs well before and after stall
recently tuned up, new fuel pump
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