Question about Cars & Trucks
Timing belt, spark plugs, spark plug wires switched on the cap, spark plug wires could be worn out,crack in the rotor or cap. Always start at the cheaper fix and work your way up. the timing belt is more time and money but not a hard job.
Posted on Nov 14, 2014
Testimonial: "I've done all that except the timing belt. everyone i ask says do the timing but I've never done it and don't wanna spend an arm and a leg for someone to do it."
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Posted on Jan 02, 2017
Try checking the codes. You can do this at part stores like auto zone for free. It might be the maf sensor or if it says lean o2 sensor than it's the fuel filter.
Posted on Jun 29, 2010
Hi, the trouble codes P1128, P0455 and P0707 is a summary of all the problems your are currently experiencing with the car and each code will be explained in details below...
P0455 This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
A loose or improperly affixed gas cap
A non-conforming gas cap (i.e. not factory/original brand)
Other leak or damaged piece in EVAP system
P0707 The park/neutral position (PNP) switch includes a transmission range switch. The transmission range switch detects the selector lever position when the shift lever is in the N or P shift position and sends a signal to the Transmission Control Module (TCM).
- Open or short park/neutral position switch circuit
- Poor park/neutral position switch circuit connection
- Misadjusted park/neutral position switch
- Park/neutral position switch may be faulty
Code P1128 is a lean condition code. The engine computer may be reducing boost to protect itself. Assuming the parts you have replaced are in good working condition I would check the fuel pressure (pump failing?) check the oxygen sensors (switching throughout full range?) and check the operation of the fuel injectors (not spraying correctly).
Posted on Apr 01, 2011
SOURCE: i have a 2001 eclipse
first check for vacuum leaks, then check idle air control valve.
Please see my tip at http://www.fixya.com/cars/r7427423-fix_poor_idle_high_idle_stalling_fuel . These are generic instructions. If you getstuck or need specific instructions for your car, please get back to me with model, year and engine info.
Posted on Sep 13, 2011
SOURCE: 2000 pontiac grand am 3.4
Hi Tom,Did you ever figure out what the problem was? My Alero with the same 3.4 motor is doing the exact same thing between 3000-4000 rpm while driving sometimes. Mine won't rev in park over 4000 either, but I think they are all like this.
Posted on Jan 13, 2012
Tips for a great answer:
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