87 TC with fuel(?) issues. Ideas? - TCCoA Forums
 
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post #1 of 2 (permalink) Old 05-22-2006, 03:09 PM Thread Starter
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Question 87 TC with fuel(?) issues. Ideas?

Hi, Have 87 TC that has been sitting a couple years after being severely beaten on by oldest son and trailered home. Car still ran, but barely pulled itself and seemed to be missing. Son #1 thought it may have blown piston or head gasket, but oil pressure still fine. However, now son #2 wants car and we put a battery in it cleaned out the mouse poison and fired it up. Still runs crappy as it did when hauled home, RPM hardly enough to get turbo going, but think it is turning cuz sometimes boost comes up. Smells gas really strong, smikes black. However, 1 1/2 year ago I took car for a drive and while running same as described, I shifted to 2nd (T5 conversion)and motor stopped missing turbo cranked, and car ran normal and strong. Son #1 came back from 1 1/2 year vacation (courtesy of state) and test drove car, but it ran crappy again and has sat since. (Is it afraid to run normal again, for fear of more beatings?) I pulled intercooler and did compression test (145-152 range). So, I am guessing something to do with fuel delivery.
Plugs were all sooty, cleaned them up, no difference. Where is fuel pressure regulator and how to test? Any other ideas about what source of problem is (besides son #1)? Thanks, Mike
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post #2 of 2 (permalink) Old 05-22-2006, 09:00 PM
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Join Date: Jul 2002
Location: Williamsburg
Age: 39
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Fuel pressure regulator is right in front of the intake manifold above the distributer, there should be a schrader valve, looks like a tire vavle, on the rail in that general area use a Fuel pressure guage to test it, it should be at 40psi, I am thinking it may ignition related i.e. the coil, wires, cap, rotor, plugs, dont run platinum, also check the tps voltage make sure it's not way off and throwin more fuel in then is needed, also have you changed the o2 sensor, take a little bit and address the basic trouble shooting above and let us know what it's still doing, if anything at all.

1988 Lincoln Mark VII
Paxton Novi 1000 6psi kit, 30lb injectors 73mm C&L, MAF converted A3M, gt-40's, Felpro headgaskets, 1.7 Cobra RR's, typhoon intake,1 5/8 shorty headers, off road x-pipe, and full mandrel catback, electric fan, 3.73's, TKO 500, pro 5.0 shifter

372.4hp / 394.6tq 5psi

Rest in Peace Joel R. Bender.
July 30, 1979 - March 26, 2006
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