Question about Jeep Wrangler
A chevy jeep, above says 91 jeep wrangler chevy.
a/T or m/T
2wd or 4wd. (are you using when it fails)
Posted on Jan 06, 2014
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Posted on Jan 02, 2017
from what i remember the overdrive is electronically activated. it is disengaged by low rpm or a switch on the brake pedal. check the pedal switch and look to see if there is a disconnected wire near transmission.hope this helps. please rate me
Posted on Jan 12, 2009
Check to see if the brown and black strip wire is dissconnected by the fuel pump relay if not try dissconnecting the battery for a minute and see if the light comes back on.
Posted on Feb 21, 2009
Hi, This looks like the Pawl in the gearbox has been broken/damaged or even left out when the box was overhauled.
It lock the gearbox whilst in park so acting like a brake.
It could have occurred if someone put the vehicle in park whilst still moving.
Hope this helps?
Press the Blue button please to appraise My FREE! Effort.
Paul 'W' U.K.
Posted on Mar 01, 2009
Timing chain and gears may need replacing. Is the timing correct? Like number 1 at top of compression stroke and the dist. is on 1. How about a new coil too. Try a coil first. They go bad on these a lot.
Posted on Jul 12, 2009
SOURCE: "1991 Chevy Cheyenne 4X4 K1500
The Engine Coolant Temperature (ECT) sensor is mounted in the intake
manifold and sends engine temperature information to the ECM. The ECM
supplies 5 volts to the coolant temperature sensor circuit. The sensor
is a thermistor which changes internal resistance as temperature
changes. When the sensor is cold (internal resistance high), the ECM
monitors a high signal voltage which it interprets as a cold engine. As
the sensor warms (internal resistance low), the ECM monitors a low
signal voltage which it interprets as warm engine.
Fig. 3: The ECT sensor is usually located near the thermostat housing Fig. : Engine Coolant Temperature (ECT) sensor wiring diagram Fig. : Engine Coolant Temperature (ECT) sensor temperature vs. resistance values
Fig. 1: Engine Coolant Temperature (ECT) sensor location-4.3L, 5.0L and 5.7L engines
Keep us updated.
Fig. 3: The ECT sensor is usually located near the thermostat housing
Fig. : Engine Coolant Temperature (ECT) sensor wiring diagram
Fig. : Engine Coolant Temperature (ECT) sensor temperature vs. resistance values
Posted on May 28, 2011
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