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1991

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Q: 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
Q: engine rattling noise
Claimed by John Hege
Question
91 mazda b2600i When you press gas when @ idle it wants to cut off, when you let off gas it picks back up & no power when driving.
What you are describing is loss of power as well as near stalling. The cause of that fault can be diagnosed, and any required repairs made, if you request an engine loss of power diagnostic. To give you an initial...
Question
Do your radio have something to do with your lights.?
You did not mention if it is inside dash lights or outside lights? Either way an electrical issue would need to have the fuses and switches in the light system checked for proper operation and power to and from them....
Question
Q: o2 sensor
If you are referring to 1991 model years of the Accord versus the Civic, the principal difference is the Accord used a heated oxygen sensor while the Civic did not. To compare and contrast Toyota sensors, I would need a...
Question
I have white smoke coming from front of car after driving roughly 30 min. The car temp does not show overheating.
White smoke generally indicates that you may have an internal engine problem, such as a head gasket leaking coolant into a cylinder. If white smoke is blowing out from the exhaust during first 3 minutes of a cold start up,...
Question
Only runs full throttle
Measure engine compression. Check intake vacuum to get an indirect indication of whether valves are sticking or not. Check base ignition timing and advance function and, finally, look at secondary firing patterns on an oscilloscope to determine if the issue...
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
I have a very loud knocking sound from the front driver side of my 1991 Jeep Cherokee Laredo 4x4
Hi Taylor. Thanks for contacting us tonight. A loud knocking sound coming from your front wheels can be caused by wheel bearings or inner transaxle components. If the noise does not come on during reverse, then it's likely a forward...
Question
My 1991 ford ranger sputters when I accelerate and sometimes when idling it sounds like it’s cammed.
The trouble codes stored as a consequence of the check engine light coming on may yield important clues as to the underlying fault. Consequently, those codes should be followed up on first. If resolution of the trouble codes does not...
Question
Will the crank shaft pulley still spin if the timing belt has busted?
If the timing belt broke, the crankshaft pulley will still spin regardless. The crankshaft pulley is what spins the timing belt, which then rotates the valve train assembly. Depending on how this happened and when it happened, this may have...
Question
if my truck stalls as soon as i put it in gear is it the Torque converter?
Hi Julian. Thanks for contacting us today. It very well could be that your issue is caused by a worn out torque converter. However, it's also possible that you have a faulty fuel system component or damaged ignition system part...
Question
Does my 1991 toyota Camry actually have an intake air temperature sensor and if not why do I only get that code?
Check inside the air filter housing and if it is not there then it is built into the mass air sensor on this model.
Question
Battery over charging new alternator new voltage regulator and new battery
Hey Joe. Thanks for sending the question today. When an alternator is reading higher than it should, there are three possible sources. Either the ECU which controls the production of the alternator is damaged, the alternator itself has an inner...
Question
'91 Corolla making rapid rattling sound under hood. Is something loose?
There are many components that can cause rattling, ranging from the exhaust system to accessory drives and pulleys to even certain internal engine malfunctions or a loose/faulty torque converter or flex plate. In addition, there can be multiple (coincident) causes....
Question
Q: Engine noise
There is a few tests that should be done for the engine noise and the first is to find out what cylinder is not working and doing a compression test to see if the noise is a stuck open valve...
Question
Q: Car wont start or crank
If the starter is not functioning, the electrical fault could be in any component, or wiring segment, in the starter circuit. No one component is any more likely than another and thus the standard practice is to simply trace the...
Question
91 vw golf is overheating after hitting a curb. Took out thermostat just to check if that's the problem. Still overheating. Repla
If the suspension, alignment, or perhaps drive axle is damaged such that the engine becomes overloaded, the engine could overheat. Another possibility is an exhaust pipe was damaged creating a restriction. Normally, a collision won't cause any of the "typical"...
Question
i have a 91 chevy v-8. i replaced the fuel pump,fuel filter,
Hi Carla. Thanks for contacting us today. In most cases, this issue is caused by debris inside the fuel lines or an obstruction on the fuel pump pick-up. Although it might seem simple, sometimes a fuel filter installed backward can...
Question
I have a around 1991 Camry Toyota LE I bought st an auction someone who previously owned put a self alarm with no brand name
The 1991 Camry offered a factory alarm option which appears on the vehicle wiring diagrams. It was referred to as the TVSS system (Toyota vehicle security system). First, be sure that what is installed on your car is not just...

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