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1991

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Engine problems
Hi Victor. Thanks for sending your question and posting the videos. It sounds as if you've got a rather serious engine knock, likely a damaged intake valve lifter or rocker arms that are loose. Usually, this type of damage occurs...
Question
Wipers work only every once in awhile and sometimes won’t shut off
It sounds like you may have a faulty windshield wiper motor or module. When you turn the wipers on, a relay transmits power to the module which controls the motor. In some cases, any of these components may fail, resulting...
Question
What is this part
Hi Tyler. It's very difficult to determine a part name without seeing it. Unfortunately, since we can't have images attached through this platform, it's also hard for us to review it. One thing you could do perhaps is to take...
Question
What is this
I looked at the video but still cannot identify the connector. I can tell you it is a factory connector. To help you identify the connector and the relay that goes in it i will need to know all the...
Question
Wiring
Hi Tyler. Thanks for contacting us today. Besides the instrument cluster, electrical harness, relays, fuses and ground wires that supply power to the cluster, the only other possibility that I can think of would be a faulty ignition cylinder connection....
Question
What is this part
I have went through all the wire diagrams for this vehicle and cannot find any of those color wires in any connector. You may have to trace the wiring to see what they go to or what is not working...
Question
Unknown part
There should not be any inline relay on the battery cable. This may be some sort of aftermarket theft system installed and should be removed. I would recommend having a mechanic like one from YourMechanic verify the relay is aftermarket...
Question
1991 nissan 300zx 5-speed manual, can't get into reverse, no noise, started today out of nowhere.
There are only two possibilities: 1) the shift linkage has a fault; or 2) the synchronizer for reverse, or related parts, are broken. To identify the problem, the recommended service is a failure to shift diagnostic. Once that diagnostic is...
Question
Gas pedal is loose on my 1991 Mercury Grand Marques
Both the pedal mounting bracket and the accelerator cable assembly should be evaluated. Typically, the cable and/or the throttle plate to which the cable is attached, are under spring tension and if there is a fault there it might affect...
Question
I need advice on my 1991 ford explorer
Catching up with leaks that have accumulated over time can be a big job. If your radiator isn't holding coolant, It's probably best to replace it than to try to fix it. There are a lot of replacements available for...
Question
1991 chevy g20 van replaced wih new fly wheel and starter after 2 days getting clanking sound when i first start vehicle
You should check to make sure the starter bolts did not come loose and remove the lower inspection cover for transmission and check to see if flywheel teeth are damaged or flywheel is loose or bolts for torque converter are...
Question
Oil leak
As you know, there are many different places in your motor that are sealed by gaskets. Gaskets can fail over time due to excessive heat and will eventually shrink causing them to fail and leak. Gaskets can also fail when...
Question
Good afternoon, my 91 honda accord does not read gas levels. I have to start it by pressing gas and sometimes it doesn't turn on.
it sounds like you may have two separate issues here. The fuel gauge problem is likely related to your fuel tank sending unit. The fuel gauge sending unit is a small float type component (or sensor) inside your fuel tank...
Question
The solenoid on my 1991 grand marquis is smoking
Hi Liz. Thanks for contacting us today. In most cases, a solenoid will smoke when an electrical circuit remains open and it's receiving the constant flow of electricity. This creates an overheating problem with the solenoid and can cause additional...
Question
I have A 91 honda accord with shaking and acceleration issues
This problem of loss of power can be caused by more than one of several causes and would need additional diagnosis to isolate cause. The most common causes are low fuel pressure, distributor failure, and misfiring ignition system. I recommend...
Question
Blinkers and brake lights
The problems you described may have different causes that will need to be checked separately. The headlights may be switch or wiring to lights or even the bulbs. The right front turn signal may be just a bulb needs replaced...
Question
I have a 1991 legacy all of a sudden the stop light is staying on and the battery indicator light is staying on. As well as the ou
Hi Troy. Thanks for submitting your question. Usually, when you have multiple electrical issues like you've described it is due to an exposed electrical wire that has created a short in the system. It could also be an indication of...
Question
My 1991 geo prizem gear shifter is locked
You should first check to see if the brake lights come on when you press the brakes? If no brake lights then check and replace the brake light switch. If brake lights work then you may have a shift lock...
Question
Acura NSX won't start
Reverse polarity, at the battery, in a 12 volt electrical system on a car can cause a variety of effects including damaging the alternator, diodes and the numerous microprocessors on a vehicle such as those in the powertrain control module...
Question
Speedometer light does not work but all other dash lights do. The bulb is good
When you have cluster back exposed you need to recheck the bulb sockets and bulbs and test contacts for bulbs to make sure they get power and ground. The other lights and speedo and rpm gauges all use same circuit...

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