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20 amp ignition fuse continues to blow
Hello. All of this depends on what was spliced into that circuit when the engine was swapped out. I usually isolate this problem by disconnecting the circuits in it until it no longer blows. This fuse usually has a problem...
Having trouble diagnosing a stalling issue, do I need a new fuel pump?
If the engine is not getting fuel then it may need a fuel pump. I would start by checking to see if the engine is losing spark or fuel when this occurs. Knowing if the problem is spark or fuel...
Replaced slave cylinder, can't get clutch to pump up
It sounds like a couple of things could be going on here. First, there may be air in the slave cylinder and/or line which has to be bled out. Sometimes simply opening the bleeder and the slave master cylinder and...
A6G A6GC plug replacement
Hello there, thank you for asking about your 1986 BMW 635CSi. According to the spark plug cross reference website, the A6GC is a direct replacement for the A6G. You should have no problems using that plug. If you want to...
Car starts with difficulty, ABS and O2 sensor lights on
Hello. The hard start and O2 sensor light can be due to the fuel control distributor leaking excessive amounts of fuel from the air control door. Some leakage is normal but less that 22cc of fuel and anymore than this...
Has new alternator, new battery when started , motor dies when battery is mechanics are stumped on this
Hello. If replacing those particular components did not correct the issue then the next thing I would look at is the vehicle's voltage regulator. It appears that this engine's electrical system is equipped with an external voltage regulator that functions,...
Trouble starting and acceleration bogs down
Hello there, thank you for asking about your 1986 GMC S15. You don't say whether you have an automatic or manual transmission, so I'm not sure how to help you with your shifting concern. As far as the engine performance...
The manual and how to fix it....5th gear is not working I went by a machanic n the gears are still not going in well
Hello. If you still are not getting 5th gear then you have an issue within the transmission. If the transmission is brand new then it should be taken back to where you purchased it from. If this was a used...
Car getting no fire. Battery checked and is good. Started up, drove 4 miles to work. Tried to crank, nothing.
Hi there, thanks for writing in. I'd be happy to help. You appear to have more than one problem. This would not be out of the ordinary for a 1986 vehicle. Let's begin with the key getting caught. Having to...
Engine runs erratically and dies
Typically the "hot cam" engine lope is caused by restrictions in fuel flow at idle. Along with changing and inspecting the sensors and items you described above, most mechanics will clean the throttle body and fuel injectors as this is...
Could it be the fuel pressure regulator or a clogged injector?
Hi there, thanks for writing in. Most the of the time, stalling issues on an 86 four cylinder Dodge would be caused by a mechanical blockage of fuel. This could be caused by a dirty throttle body fuel injectors clogged...
brake lights and turn signals on all the time and break lights don't work.
Hello. From what you describe, it appears that your vehicle may be experiencing electrical issues. If the brake lights are staying on at all times, then the first thing I would do is check the stoplight switch. If it is...
i cut off the roof
If you still have the windshield and install a roll bar then you should not have a problem, but if I were you I would check with local ordnance to make sure it is legal.
Not running gauges
Wow, there is a lot to do here! For the temperature gauge - check the sensor for temperature appropriate resistance, proper wiring and ground connections to the gauge. Yes, speed sensitive wipers were available on this model. As for...
Hello. From what you are describing it seems as though the transmission fluid has leaked out. There is a rubber hose that conveys transmission fluid to the radiator for cooling (through a sealed heat exchanger). That hose could have leaked....
Car doesnt start or stalls out quickly
A lot of times on older Ford four-cylinder engines, the problem is mechanical. In most cases, (if your engine is the 1.9L fuel injected model) the issue of stalling out or having difficulty starting is related to the throttle body...
I hear an( eh,eh,eh) now all the time. It started when I was turning hard to the left. Then in a hard right turn, then
Hello and thanks for contacting YourMechanic. There are a couple of things that could cause a sound to omit when turning the wheels from left to right. If it is a clicking noise, then the constant velocity shafts are sticking...
I replaced alternator without disconnecting battery cable won't start?? Not even power at fuse box
Hello, thanks for writing in. You need to check all the main fuses in the engine fuse box. You most likely blew one or more which is why the issue is still occurring. If you need help having the problem...
How to set the idle
Hello there, thank you for asking about your 1986 Ford V8-5.0L. The throttle body and idle air control valve should be cleaned first. The idle is not adjustable on this vehicle but the throttle stop on the throttle body can...
tranny swap
Yes, this is in fact a common conversion that many people have about these trucks. In terms of the kind of transmission that may bolt up to your application (305 cubic inch Chevy), a Turbo H350 or Turbo H400 or...

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