Question about 1995 Ford Ranger Supercab

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95 2.3l ranger spark knock BAD

Motor will spark knock (badly) when accelerating or when going up hills.

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  • Robert Wagoner Jul 02, 2009

    doesn't have a knock sensor

  • Robert Wagoner Jul 02, 2009

    truck doesn't have a knock sensor

  • Robert Wagoner Jul 04, 2009

    there is not a knock sensor for this truck



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Have you changed the knock sensor?

Posted on Jul 01, 2009


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1 Answer

I replaced the knock sensor, what else could be causing acceleration problems on hills?

The knock sensor code does not always mean the sensor is faulty.
The sensor picks up noise and vibration in the engine such as a spark knock would generate, and the computer slows down the spark timing to fix it. If the noise or vibration continues, the code is set.
Could be a noisy valve, or a problem with the crankshaft or other component.

Aug 13, 2012 | Cars & Trucks

1 Answer

Theres a knocking noise coming from either the front of the motor or the drivers side. it started right when i accelerated going up a hill


Aug 03, 2011 | Oldsmobile Achieva Cars & Trucks

1 Answer

Car ticking while accelerating up a hill

Sounds like a spark knock, your knock senson could be B/O. This sensor retards timing so motor will not knock under accelleration.

Aug 13, 2010 | 1996 Mercury Grand Marquis

1 Answer

Loud whine then knock in overdrive

well, without hearing the noise myself, i could guess that the torque converter clutch might be going bad. the torque converter is the part that transfers the power from the engine to the transmission via viscous fluid motion, the converter also has a clutch that internally provides a direct connection inside the converter for better fuel economy. but as with anything labeled as a clutch, it wears down to a point where is slips. the noise your hear could be the torque converter clutch slipping. i owned a 90 astro van with the same drivetrain that made a noise similar to what you speak of up hills. while driving up hills, fully depress the accelerator and if the clunking noise occurs, then the whine goes away as you accelerate faster in a lower gear, very likely this is the case. you would have to have a transmission shop diagnose further. i drove that old van for five more years cause i didn't want to pay to have transmission repaired. it can be very expensive.

Jul 08, 2010 | 1992 Chevrolet S-10 Blazer

1 Answer

2004 Saturn Ion2 with 2.2L Has trouble accelerating up a hill or under hard acceleration. Also has Loud ticking noise (sounds like valves ticking). Check manifold vacuum with a vacuum gage and OBDII...

Sounds like a bad coil pack. If memory serves they had the double coil pack on the back of the motor that were notorious for going bad and were seriosuly cheap to replace.

I'd also be looking towards a CKP (Crank Position Sensor) in that car.

Nov 23, 2009 | Saturn Ion Cars & Trucks

2 Answers

Loss of power on acceleration. Put new fuel

Probably the ignition timing is not advancing the spark on acceleration or high rpm's.

That is the job of the ECM (Electronic Control Module). Check it / Replace it.

Hope this helps!

Sep 17, 2009 | 2003 Chevrolet Impala

1 Answer

I hear a knocking in the motor

not very specific, however, if it really loud, that may suggest internal engine damage...not good. also, if it sounds more like clicking which gets faster/slower depending on the speed of the engine, that would be you lifters = check oil = ensure correct level. or, switch to proper grade of oil if you have deviated from what the manufacturer recommends. it would help if you could tell me exactly where the "knocking" sound is coming from and what the vehicle is doing when you here the noise. oh, if it makes a knocking/pinging sound when you are under heavy acceleration or going up a steep hill (high load) check your spark plugs and try using a little bit better gas....

Jul 11, 2009 | 2001 Pontiac Grand Prix

1 Answer

95 ranger 2.3l spark knock problem

Is this a manual trans in this truck, if so, try shifting down a gear. But yes a timing belt could cause this, but usually they wont run very well if the timing belt is that bad worn.

Jul 03, 2009 | 1995 Ford Ranger Supercab

2 Answers

99 cadillac escalade knocks when accelerating

Chk. universal joints. Sounds like you got a bad one

Feb 16, 2009 | 1999 Cadillac Escalade

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