Question about 1988 Ford Thunderbird
During restoration if all vacuum lines are plugged/installed engine chokes out. If at least one line is left open/not installed, engine continues to run but get over loaded with fuel and eventually kills it. MAP sensor's already been replaced. Any other suggestions.
Which engine, and was it running correctly before the repairs were made ?
Posted on Apr 23, 2013
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Posted on Jan 02, 2017
Try cleaning the groove under the Airhorn gasket. Then try it. A municipal mechanic who works on 4.6 engines in Police cars told me about the groove.
The TPS regulates spark and fuel, its not too expensive and wears continuously. A slow advance would make the engine stumble.
Thought of a fuel sample? You get same problems from bad fuel. Some "Octane Booster" might cure it until you can tank up with Premium. Good Luck
Posted on May 23, 2010
check that there is no fuel in the vacuum hose that is going to the fuel pressure regulator, if there is fuel in the vacuum hose replace the regulator.
Posted on Mar 17, 2011
remove neg. cable from battery so the ECM will reset this may work. make sure the IAC is air tight. if this doen't fix your problem have someone check the IAC valve if it's bad the part runs $300.00 pluse
Posted on Nov 25, 2011
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