Question about 2001 Chevrolet Blazer

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I need help ..please i got an s10 2001 and my manifold is overheating bad...but i mean bad...it turs red , some times it loss power , and is burning a lots of gas,and i got this code ...MISFIRED.. I already change rotor,distributor,check timing any ideas ot there????

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It could possibly be a defective catalytic converter if ur vehical has one

Posted on Apr 10, 2011

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Sounds like a stopped up converter. Check fuel pressure regulator vac hose. If it has fuel in it replace it.

Posted on Apr 10, 2011

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1 Answer

Why does my manifold turn red when I already changed the catalytic converter on my 2000 Toyota Avalon


Usually, a red manifold means that you have a lot of unburned fuel going into the exhaust stream. Most likely cause of this would be a cracked or warped exhaust valve or valve seat. A compression check of the engine cylinders can confirm a leaky valve quickly. Another possibility would be a blockage in the exhaust stream. Converters can break up and their parts can move through the exhaust and clog up the muffler. In theses cases, however, there is usually a significant loss of power on acceleration and often both the converter and exhaust manifold will get red hot.

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Loss of power


Forenza 2004
this is a Suzuki, id sell it, and is not even real Suzuki its a badged
product. actual. Daewoo Lacetti
Daewoo can't sell cars here so suzuki tries and fails... amazing car.

p0217 means overheated.
and when overheated power is lost. stop that or burn up the engine.
do the service on engine, 60,000 miles. steps.
and a new thermostat. i bet yours is 10 years old,,huh and END of life.
non last over that.
id sell it. when fixed, Suzuki's are no good.

FSM data.
Trouble Code Conditions:
Engine is running. Engine coolant temperature is higher than 50 Deg C (122 deg F). Intake Air Temperature (IAT) is higher than 35 deg C (95 deg F). Engine soak time is higher than 360 minutes, or start-up coolant temperature is less than 45 deg C (113 deg F). Engine Coolant Temperature (ECT) sensor reading is greater than 107 deg C (224.6 deg F).
Possible Causes:
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the fsm skips bad thermostat. odd that... huh"?
and dead cooling fans.
and clogged radiator.
etc.
the first step is to see if it really is overheated, with a IR pyro gun.
if not, the ECT is bad
if is overheated, then fix that, as the ECT didnt lie.

simple , the sensor lied, (nah) or did overheat.

or air pockets at the ECT, low coolant actual.

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Loss of Power / Over Heating


eeek, sounds like a possible head gasket failure. Check your coolant and oil. If the coolant is low top it off, and if the oil is milky, you are getting coolant in your oil which is usually a bad head gasket.

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1995 Capriice will not accelerate


Now please forgive me here as iam a europeon mechanic whos never seen this model vehicle but from your description here the fuel is burning in the manifold so their is only one thing i can think of and the valves are not seating properly on the inlet side so the burning fuel is bypassing the valves or even one valve catching the fuel spray alight in the manifold ,this could be caused by a timing belt breaking at some time or someone changing the timing belt and crunching a valve or its not been set up right ,Anymore i would need by head under the bonnet and a play around to work out exactly whats wrong ,best advice is to trade it in quick whilst its running and buy a small economical car like a citreon diesel or a VW one .

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Lossing power when driving .burning oil changed spark plugs oil need asst please 1994 f150 super cab


sound like you need an overhaul if its burning oil the rings are bad and that means youre loosing compression that explain lack of power sorry my friend its time to upgrade or rebuild good luck

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Transmission slipping. does not appear to be shifting properly. replaced ecm. got tcm from jeep grand cherokee same engine (4.7L). notice significant burning/smoke after driving exhaust manifold. not...


U are going to need to overhaul the transmission here, the smoke is the trans overheating from excessive slippage i suspect.code for wrong gear ratio's mean the input and output shaft speed are out of symc for the gear the trans is in, the 3rd or 4th gear is the usual codes, this sometimes is caused by defective speed sensors but most times the trans is slipping and the TCM detects that and sets a code

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98 gmc jimmy smokes real bad and burns lots of gas


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1 Answer

Engine light has come on and car is misfiring, loss of power, sounds rough


Main causes of misfire would be loss of spark; the air/fuel mixture is too far out of balance to ignite; or loss of compression.

Loss of spark includes anything that prevents coil voltage from jumping the electrode gap at the end of the spark plug. Causes include worn, fouled or damaged spark plugs, bad wires or even a cracked distributor cap. A weak coil or excessive rotor gas inside a distributor would affect all cylinders, not just a single cylinder.

"Lean misfire" can occur when the air/fuel mixture is too lean (not enough gasoline in the mixture) to burn. This can be caused by a dirty, clogged or inoperative fuel injector; air leaks; or low fuel pressure because of a weak pump, restricted filter or leaky pressure regulator.

Loss of compression means the cylinder loses most of its air/fuel mixture before it can be ignited. The most likely causes here are a leaky (burned) exhaust valve or a blown head gasket. If two adjacent cylinders are misfiring, it's likely the head gasket between them has failed. Also, if an engine is overheating or losing coolant, it's likely the head gasket is the culprit.

You can isolate the weak cylinder by temporarily disconnecting each of the spark plug wires, one at a time, while the engine is idling. When there's no change in the idle speed, then you have pinpointed the weak cylinder.

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What causes a misfire on a 99 pontiac grand am if spark plugs or good and the car does not have wires


here are the common causes of a missfire, defective ignition coil or ignition coil wiring for that cylinder, defective fuel injector, defective powertrain control module, intake manifold vacuum leak, low cylinder compression.

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2 Answers

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Hi there!

P1299 Cylinder head over temperature protection active.

I would want to know why this is overheating. It could be a fuel issue, timing is too advanced (due to faulty sensors) or just a duff temperature sensor itself.

Needs investigation though as performance will be affected.

(If this assists in a solution, please rate as Fixya! Thanks.)

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