Question about 1991 Nissan 300ZX

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The car suddenly stoppped being able to accelerate 90 300zx nt

The car suddenly stoppped being able to accelerate over 45mph and then when it came to a stop it jumped alot and wouldnt drive smooth and then eventually died and while all this was happening the anti lock brake light was on

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  • xsxe513x Sep 28, 2009

    it also will no longer start


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Sounds like your anti lock brakes locked up or ur transmission is getting ready to go out i suggest taking it in for a free estimate to a local garage

Posted on Sep 28, 2009

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1 Answer

Why is my car shaking

Short answer: If it quits shaking when you let off of the gas pedal, it is likely an engine misfire.

Long answer: I believe your model is new enough for the transmission to have a lock-up torque converter.
At around 40-45mph, the torque converter locks, making a solid connection between engine and transmission.
When this happens, any engine misfire is more readily felt throughout the car during acceleration.
The first items to check would be spark plugs, spark plug wires, and ignition coils. These are most likely to act up under load conditions such as acceleration.

On the other hand, if you let off of the gas pedal and the car still shakes, it is probably a tire or wheel problem.

Mar 15, 2014 | Cars & Trucks

1 Answer

My 88 toyota camry wont accelerate when i step on the gas pedal


cruise at say 45mph ok?
if i accelerate , it bogs then catches up?
if i accelerate, it bogs and never catches up?
if i go WOT, wide open throttle it has full power up a hill after the bog?

these test , are the KEY tests.
this tells me what is wrong.
i hope the car is tuned up, if not , why no? the 60k mile done?

Jan 25, 2014 | 1988 Toyota Camry

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Have you had the fuel pressure checked under a load? If the pressure is ok then check for excessive back pressure in the exhaust system, though that is rare on newer cars with Monolithic (ceramic brick matrix) catalytic converters.

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1 Answer

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This sounds like a secondary ignition problem have your spark plug wires checked or replaced along with your plugs:)

Aug 20, 2009 | 1996 Buick Regal Olympic Gold

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