Question about 1987 GMC VanDura

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My 1987 bus lost power ti will not go over 35 mph.it has new plugs ,wires roter cap.

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Is there any smoke coming out of the tail pipe? You may have lost comprssion in some cylinders or lost some gears in the tranny.

Posted on Apr 06, 2011

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Posted on Jan 02, 2017

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My sons 88 Mighty max runs terrible at about 35 mph and up. Seems to run betterhe air temp is cooler, like 60's and lower. We replaced plugs/wires, cap/rotor, fuel pump, air/fuel filters, some que


Air is more dense at lower temperatures so the cylinders fill better and there is some evidence increased humidity also helps engines to run better.

Replacing stuff in the vague hope it will provide a cure can be expensive and very frustrating and is no substitute for proper checks and replacing only what proves to be faulty.

New plugs won't improve matters if the spark is really weak and a new fuel pump is really money down the drain if the pressure regulator is faulty or the injectors aren't spraying properly or the carb has some blocked jets or if the oxygen sensor is sending the wrong information...

It is best practice to always start with the basics - engine condition, timing, compressions, cylinder leakage and so forth. Your description indicates the engine is short of fuel or fuel that it can use but could equally be caused by a restricted exhaust. I once had a car just like that and it was a worn exhaust cam lobe that was causing the trouble.

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How to replace spark plug and wires for a 1987 toyota 4runner sr5


Hi there:
Just oay attention ti the order on 1987 Toyota 4 Runner 4WD 2.4 liter SOHC L4 (22R-E)...

6_10_2012_12_53_45_am.gif


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Not firing. what is the spark plug order for a 87 chev spectrum?


Check this diagram on Spectrum...

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Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.
Thank you for using FixYa, have a nice day.

Jun 01, 2012 | 1987 Chevrolet Spectrum

1 Answer

1987 alfa romeo spider graduate no spark


try changing the flywheel sensors. My 86 had exact the same problem, i changed the spark plugs, wires, distributor and finally the good o alfa mechanic found the issue. good luck

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Might want to check the timming belt..Does it even turn over when you try to start it?

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My 300zx no trbo


my 84 300zx turbo chugged in the same way and it was an air flow meter

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