2003 Astro Van Rough Idle. Added Heat (Red)x2, Injector Cleanerx2, and only bought Check t

Added Heat (Red)x2, Injector Cleanerx2, and only bought Check the throttle position (TP) sensor. Straight to 12mph 2003 Astro rwd just picked up runs great, plenty of power, idle is absolute trash. Straight to 12mph My van is still riding rough and shaking on the freeway but fine on surface streets and is generally running better after the tune-up. Why does it idle rough My van is still riding rough and shaking on the freeway but fine on surface streets and is generally running better after the tune-up. 3 TBI engine, possible causes and solutions discussed Sometimes it seems to snap out of it completely, and then other times it’s pretty persistent. Check your pulleys and #gmc #astro #mechanic GMC ASTRO 2003 Rough Idle Problem was solved by replacing the idle control valve. 3 engine is that it doesn't idle well, it's loud and makes awkward noises. 150psi all Learn how to fix rough idling with step-by-step diagnostics, common causes, and DIY solutions to save money and prevent costly repairs. I put it into drive and the van takes off. How to Replace Pinion Seal & Yoke 1994-2004 Chevy S-10 I Almost Gave Up - Rough Idling With No Check Engine Light - Mystery Solved! Top 5 Problems Chevy S-10 ZR2 Truck 2nd Generation 1994-04 Just purchased a 2003 Astro yesterday and on the way home noticed it had a vibration at stops . Rough idle issue on 87 4. 3 TBI? Just replaced injectors and rebuilt pressure regulator. Did A $2. No codes. Diagnose and Fix Rough Car Idle - Main Causes For Shaking / Vibrating While at a Stop Diagnose rough idle issues in your 2003 Chevrolet Astro by exploring common causes, symptoms, and essential troubleshooting steps for optimal performance. Poor idling and loud engines Hi Everyone! Any idea why my 2003 TD5 Disco has this jerky start up? It’s only on cold start ( first start of the day). Monitor the TP sensor Trying to figure out what my issue for this rough idle could be, this was cylinder #3 (not 1) changed plugs and wires the rough idle still persists, idle The most common reasons a Chevrolet Astro has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. Diagnose rough idle issues in your 2003 Chevrolet Astro by exploring common causes, symptoms, and essential troubleshooting steps for optimal performance. No EGR system, Replaced dissy, wires, plugs, fuel pump (getting 60psi), filter. Trying to figure out what my issue for this rough idle could be, this was cylinder #3 (not 1) changed plugs and wires the rough idle still persists, idle air control valve passed the test, pcv In this video we discuss how to reset an Idle Air Control Valve. Seems to run quiet and smooth except a misfire on 99 Astro van running rough especially when in gear and at idle/cruising low rpms just started yesterday codes P0420 P0300 has been diagnosed with a bad catalytic converter. We talk about why you would want to reset your IAC, symptoms of a bad IAC, and replacement c. Almost immediately as I left the station the van started missing, very rough idle at the stop light and ran rough the rest of the trip. Examples of this are staling, lurching and poor acceleration. 85 Part That Requires No Tools Just Solve My Rough Idle/Intermittent Random Misfire? Fix that rough Idle/StallingMAF, Throttle Body cleaningSmooth Operator. You can try cleaning idle air control valve, throttle body, MAF sensor (with mass air flow sensor cleaner so as not to damage) and look for vacuum leaks, etc. The van definitely has a rough idle from time to time, to the point where it will die on me. If a sticking throttle shaft or binding linkage causes a high TP sensor open throttle indication, the control module will not control the idle. Anyone know what could cause this rough idle on my 87 4. A common complaint with the Chevy 4. The vibration got worse when the ac was on and can also feel it if I turned the steering Van is an '02 with 379K on it (ex-Pepsi truck) but engine was replaced not too many miles ago with what appears to be a used one. I'm just worried I'm damaging my engine by driving with Anyways, just yesterday I started up my van and INSTANTLY felt the rpms shoot up.

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