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2007 Chevrolet Chevrolet Silverado 1500 - Page 5 Questions & Answers
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Does the Chevrolet optra 2004 2.0L Dtec 16 valve engine have an inference or non-interference engine?
The 2004 Chevrolet Optra features an attractive 2.0L Dtech 16-valve engine. In an intervention engine, valves and pistons share the same space in the combustion chamber, and if the timing belt (or timing chain) breaks or slips, valves and pistons are at risk of blowing, which can severe engine damage so it is important to adhere to the recommended timing belt replacement intervals to prevent such issues.
2014 chevrolet cruze 1.8L, what cause engine to run rough and stall when first start up?
These codes refer to 3 different issues.
P0053 - HO2S Heater resistance Bank 1, sensor 1.
P0054 - HO2S Heater Resistance Bank 1 Sensor 2
P0324 - Knock Sensor (KS) Module Performance.
P0326 - Knock Sensor Circuit Excessive Spark Retard.
P0597 - Thermostat Heater Control Circuit Open.
You need to get a good mechanic to look at this. The HO2S codes refer to both of the 'O2' sensors in the exhaust, (mounted before and after the Catalytic Converter). They monitor the exhaust gas mixture to correct fuel mixture to the engine to control exhaust gas pollution levels. If one is detecting a wrong reading, the fuel/air mix is automatically adjust.
The Knock sensors detect vibration from when the fuel is burning. If the sensor detects a 'bang' when it shouldn't be there it alerts the ECM (cars brain) to adjust the timing sequence.
Wrong readings cause the ECU to adjust the fuel/air mixture to the wrong setting causing rough engine running.
The thermostat code is for the wiring to the coolant thermostat sensor.
1996 Chevrolet C1500 Pickup 5.7L V8 what cause the valves to make a noise when the engine started up?
classic HLA problems see now for 80 years if V6/8 engines up.
they are gunked up in side.
or oil pressure is too low. (pump screen clogged)
do not read post here about valve lash, this engine has HLA
we can/t guess of other owners play around with lifters and rockers.
did it all wrong,
but here they are HLA roller , hyd. lash adjusters
as on AUTOMATIC LAST AT ZERO LIFERS
IF OIL PRESSURE TO THEM FAILS THEY FAIL.
IF PATH OF OIL FAILS TO THEM THEY FAIL
AND IF THEY ARE GUNKED UP THEY FAIL
OIL COME THE GALLERY AND LANDS AT THE TINY ONLY SEEN
BELOW WITH A RED ARROW.
most folks just put in a new set and cross fingers.
here they are , in all their Glory , lifters
https://www.rockauto.com/en/catalog/chevrolet,1996,c1500+pickup,5.7l+v8,1031500,engine,valve+lifter,5548
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