Question about Chevrolet TrailBlazer
When I press the accelorator I can feel my truck try to gain speed but it's as if it get's stuck. The rpm will reach the 4 and stop and it takes a moment to kick into gear. The engine smells hot afterward. Does this daily and was worse on the highway.
Put a vacuum gage at e port on intake,low vacuum while accelerating could indicate a block catalitic converter or remove o2 sensor at manifold to remove restrition ifroad test ok change cataltic conv. sometime you could exhaust pipe very blue ish
Posted on Apr 22, 2014
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Posted on Jan 02, 2017
SOURCE: Loss of Power at Freeway Speeds
Sounds like itr is not getting enough fuel. Try or check the fuel filter for dirt or water, and also check the fuel pump pressure to see if it meet factory specs.
Good Luck Jerry
Posted on Dec 13, 2008
the camshaft position sensor is right around the crankshaft. there is a magnetic wheel at the end of the camshaft that the sensor uses to produce the signal.
Posted on Jun 10, 2009
Basically this means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The computer detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 4.0 seconds.
You will likely not notice any serious drivability problems, although there may be symptoms.
The simplest thing to do is to reset the code and see if it comes back. Then start with the cheapest, easiest repair procedures:
An incorrectly routed harness--Inspect the harness of the MAF sensor in order to verify that it is not routed too close to the following components:
- The secondary ignition wires or coils
- Any solenoids
- Any relays
- Any motors
Posted on Nov 17, 2009
Check the engine codes at Autozone or a place like that. Then check fuel pressure, change fuel filter, and listen for hissing when you remove the gas cap, from a possible bad purge valve.
Final advice is to try a slightly smaller spark plug gap, because it will not blow out the spark as easily when under load.
Posted on Apr 12, 2010
if the transmission fluid level is fine, and the fluid doesnt look black, or smell burnt, id say you need a new seal in the front pump, or possibly a preasure solenoid. Id have it scanned by like autozone or someplace like that, and see if its throwing a code.... either way it sounds like a pressure issue.
Posted on Nov 29, 2010
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