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Hatchbacks Cougar Support Group Mercury Cougar Engine Questions
74 messages, Last post on Feb 16, 2010 at 1:23 AM
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Replying to: vtraudt1 (Jun 21, 2008 4:03 pm) |
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Replying to: yankabilly (Jan 04, 2009 7:48 pm) |
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HELP!!! My baby, an 86 Cougar, has developed a problem and you don't know when it will occur; but seems to happen after getting warmed up. For instance, drove to work, everything fine; on way home stopped by store. Waiting  red light, engine idle fine...light turns green & I press the gas and she bogs & dies. Started back up OK, but then had to keep foot on brake & gas when slowing or stopping or car would die. I'm not ready to give up on the old girl---she's been too good to me for over 20 yrs. Up until now, she ran when all the others would break down!! Thanks, 86 Cougar
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| Where is outside sensor located on my newer Mercury Cougar that registers the outside air temperature on the inside of my car? Ive always wondered where this is located on a car. | |
My son car will shut off when driving down the road it will do it only sometimes and he can only get heat or air through the defrost vent will not come out the vents in dash. If anyone can help I would be very thankful he is very upset it's his first car thanks for any help :cry
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Replying to: 89cougar (Jan 29, 2009 11:26 am) - shutoff when driving: it starts with the lights going dimmer, then the instruments go all wacky, then the engine cuts out. Daily recharging of the battery helped to get by for 1 or 2 days. At the end, we changed the alternator, which fixed it in our case - no heat/air coming from vents (except defrost): this was going on for more than a year. This week we had to take the engine apart (white smoke, fouled up spark plug: looked like head gasket. It is now back together; we'll see). In the process, we found a small plasctic vaccuum line broken. I patched it up by using a small (just to fit over the plastic line) and a larger (that fits over the first) shrink tube to connect the 2 broken lines. If/when the engine is running again, we will report if that solved the problem (VERY likely). Let me know if you need pics to identify the tube which caused the problem in our case (could be any vaccum line though; vents are moved by actuators powered by the engine vaccuum; if you have a leak, the vent stays in its default position, which is "all air to the defrost"). Volker
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Replying to: vtraudt (Jan 29, 2009 1:23 pm) |
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I have a 1997 Mercury Cougar 4.6 engine. I am getting 2 trouble codes. (1) P0171 and (2)P0174. From what it tells me is that bank 1 and bank 2 are to lean. Can you tell me what cause's that and what I can do to fix it. Also I would like to know if these 2 codes will keep my car from passing an emissions test. Thank You for your time. John
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Replying to: vtraudt1 (Jun 21, 2008 3:59 pm) yahoo.com
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Replying to: johnnie632000 (Feb 05, 2009 9:17 am) mine is a 1999 Cougar (2.5l V6 auto). We had tons of error codes, and recently had "white smoke" and fouled spark plug, a strong sign for head gasket problems. We finally took everything aport, had both heads flow tested and planed, did a valve job. We also removed the "internals" of the pre-cat and installed the electronic dummy parts to fool the oxygen sensor. After everything is back together, it is working fine. Regarding the lean running: It was likely caused by a vacuum leak, possibly from not installing the seal of the upper intake manifold correctly when we had it off a long time ago. We also found a broken vac line which caused the vents to not operate (air only coming out of defrost nozzles). Shrink tube and electrical tape to connect the broken line fixed that, too. The only real problem left is now: the starter "grinds", it does not slip into the flywheel. We replaced starter about a year ago, but the problem soon came back. The only way to get it going is to switch gear into drive, then wiggle the car back and forth (in the hope to move the flywheel a bit to let the teeth of the starter engage). We are looking for a rigged solution to move the flywheel to allow the starter to engage. I don't think changing the starter will do any good. And changing the flywheel sound like a major job. Volker |
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